Find the prime factorization of 80. Therefore, the greatest common factor of 48 and 80 is 48. Calculate the Greatest Common Factor or GCF of 48. GCF (48) = 48. In each column, circle the common factors. Replace a with b, replace b with R and repeat the division. Decompose all numbers into prime factors. Greatest Common Factor (GCF) of two or three numbers. 80 = 48 x 1 + 32. Now we need to multiply them to find GCF: 2 × 3 = 6. To calculate GCF of 48 and 240 by using LCM, follow these below steps: Find the LCM (48,240) = 240. Alternative approach; Step-by-step explanation. e whole number and not a decimal) that divides evenly into all of the numbers in the set. The second method to find GCF for numbers 18 and 48 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 18: 2, 3, 3. This calculator will help you find the greatest common factor (GCF) of two numbers. All Prime Factors of 96: 2, 2, 2, 2, 2, 3. 2 × 7 = 14. e whole number and not a decimal) that divides evenly into all of the numbers in the set. Prime Factors for 40: 2, 2, 2, and 5. As we can see there are Prime Factors common to both numbers: 2, 2, 2, 5. Greatest Common Factor of 80 and 48 is 16. What is the hcf of 80 and 48? The GCF is 16. Hope this helps. Step 1: Find the prime factorization of 16. Therefore, GCF of numbers 12, 48, 80 is 4. Step 4: Therefore, the greatest common factor of 48 and 84 is 12. Calculate Greatest Common Factor for : 48, 80 and 64. Calculate Greatest Common Factor for : 16, 48 and 80. Find the GCF Using Euclid's Algorithm. First off, if you're in a rush, here's the answer to the question "what is the GCF of 48, 1, 4, and 80?". GCF of 48 is 2x2x2x2x3 =2^4x3. Replace a with b, replace b with R and repeat the division. As we can see there are Prime Factors common to both numbers: 2, 2, 2, 2. As we can see there are Prime Factors common to both numbers: 2, 2, 2, 2. For example, it can help you find out what is the Greatest Common Factor of 48 and 49? (The answer is: 1). GCF of 48 and 96 is the divisor that we get when the remainder becomes 0 after doing long division repeatedly. By finding the GCF of two numbers, we can rewrite the expression as a product, making calculations easier. e whole number and not a decimal) that divides evenly into all of the numbers in the set. View this answer. Make use of GCF of two or more numbers calculator to determine the Greatest Common Factor of 48 i. GCF (80,100) = 20. The prime factors they have in common are 2, 2, 2, and 2, so the greatest common factor is 2 x 2 x 2 x 2 = 16. Decompose all numbers into prime factors. When R=0, the divisor, b, in the last equation is the greatest common factor, GCF. When you compare the prime factorization of these two numbers, you can see that there are matching prime factors. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Step 1: Divide 80 (larger number) by 24 (smaller number). The second method to find GCF for numbers 40 and 48 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 40: 2, 2, 2, 5. His work is below. Factor each coefficient into primes. Add your answer and earn points. Make a list of Prime Factors of all the given numbers initially. 1 of 3. Factoring out the greatest common factor (GCF) To factor the GCF out of a polynomial, we do the following: Find the GCF of all the terms in the polynomial. GCF of 48, 80 is 16. Here is a handy little GCF Calculator that you can use to find the GCF of two numbers 48, 56 i. So the Greatest Common Factor 48, 80, 60 is 4. GCF of 28 and 48 Examples. Find the GCF Using Euclid's Algorithm. List of positive integer factors of 16 that divides 16 without a remainder. Our set is: 8,48. Find the GCF of 48 and 80. Make use of GCF of two or more numbers calculator to determine the Greatest Common Factor of 48, 80 i. What is the greatest common factor of 12 and 24 and 48? The greatest common factor of the numbers 12, 24 and 48 is 12. The second method to find GCF for numbers 48 and 84 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 48: 2, 2, 2, 2, 3. Greatest Common Factor Calculator. As we can see there are Prime Factors common to both numbers: 2, 2, 2, 2, 3. All Prime Factors of 64: 2, 2, 2, 2, 2, 2. So the Greatest Common Factor 48, 80, 60 is 4. 64 = 2 × 2 × 2 × 2 × 2 × 2. GCF of 48 and 72 is the divisor that we get when the remainder becomes 0 after doing long division repeatedly. Finding GCF for 48 and 84 by Prime Factorization. GCF = GCF = GCF = 16. GCF of 48 and 96 is the divisor that we get when the remainder becomes 0 after doing long division repeatedly. Step 3: Repeat this process until the remainder = 0. 16 largest integer that divides all the numbers equally. Calculate Greatest Common Factor for : 48, 80 and 64. The greatest common factor of two numbers cannot be larger than the difference between the two numbers and must be a factor of the difference. The second method to find GCF for numbers 48 and 112 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 48: 2, 2, 2, 2, 3. All Prime Factors of 80: 2, 2, 2, 2, 5. As we can see there are Prime Factors common to both numbers: 2, 2, 3. All Prime Factors of 88: 2, 2, 2, 11. The second method to find GCF for numbers 48 and 75 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 48: 2, 2, 2, 2, 3. Final Step: Biggest Common Factor Number. Step 2: Since the remainder ≠ 0, we will divide the divisor of step 1 (48) by the remainder (24). The factors. Calculate the Greatest Common Factor or GCF. Steps to find GCF. Factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72. by the expression −16 t 2 + 80 t + 4 −16 t 2 + 80 t + 4. Therefore, the GCF of 48 and 80 is the same as the Greatest Common Factor of 48 and 80. See examples, FAQs, and practice questions on GCF of 48 and 80. Therefore, the greatest common factor of 48 and 80 is 48. 1 × 12 = 12. When you compare the prime factorization of these two numbers, you can see that there are matching prime factors. Make a list of Prime Factors of all the given numbers initially. Also check out the Least Common Multiple of 80 and 96. What is the GCF of 15 and 48? star. What is the Greatest Common Factor? Put simply, the GCF of a set of whole numbers is the largest positive integer (i. List all factors—matching common factors in a column. All Prime Factors of 80: 2, 2, 2, 2, 5. Find out what the greatest common factor (GCF) of 48, 72, 33, and 80 is with our easy-to-follow explanation and calculator. 48 = 2 x 2 x 2 x 2 x 3. List all factors—matching common factors in a column. com member to unlock this answer! Create your account. All Prime Factors of 84: 2, 2, 3, 7. HCF is the largest positive number that divides the given numbers, without any reminder. The greatest common factor of 1230 , 48 = 6. Make use of GCF of two or more numbers calculator to determine the Greatest Common Factor of 12, 48, 24 i. Final Step: Biggest Common Factor Number. 2 divides evenly into 40. To calculate the prime factor, we multiply these numbers together: GCF = 2 x 2 x 2 x 2 = 16. Step 1: Divide 120 (larger number) by 72 (smaller number). Step 2: Since the remainder ≠ 0, we will divide the divisor of step 1 (40) by the remainder (8). The GCF of 32, 64, and 80 is 16. This answer is:. Related GCF Calculator | Factor Calculator. See a solution process below: We can factor each of the terms as follows: 40 = color (red) (2) xx color (red) (2) xx 2 xx color (red) (5) 60 = color (red) (2) xx color (red) (2. Number of times each prime factor. 2 × 6 = 12. Final Step: Biggest Common Factor Number. Step 1: Divide 120 (larger number) by 72 (smaller number). The difference between 32 and 48 is 16, so the greatest possible common factor. The GCF is the largest common positive integer that divides all the numbers (80,96) without a remainder. Step 4: Therefore, the greatest common factor of 28 and 48. His work is below. Finding GCF for 40 and 64 using all factors (divisors) listing. Select the GCF of these numbers. The biggest common factor number is the GCF number. GCF of 10 and 70. 48 ÷ 2 = 24. The factors of a number include all divisors of that number. In the intersection factors of 80 ∩ factors of 48 the greatest element is 16. It is possible for a number to have multiple factors. What is the GCF of 40 and 88? The answer is 8. GCF of 32, 48, 80 is 16. Step 2: Since the reminder 32 ≠ 0, we apply division lemma to 16 and 32, to get. 2 × 6 = 12. Step 1 1 of 5. Ex: 10, 15, 20 (or) 24, 48, 96,45 (or) 78902, 89765, 12345. Make use of GCF of two or more numbers calculator to determine the Greatest Common Factor of 64 i. List of positive integer factors of 80 that divides 80 without a remainder. 40 = 4 x 10. 40 = 4 x 10. Calculate Greatest Common Factor for : 32, 48 and 80. Site Map. Write all numbers as the product of its prime factors. List all the factors for 32,40,48 32, 40, 48 to find the common factors. Apr 28, 2022 · It is not possible to give a sensible answer to this question. Factor each coefficient into primes. Factor them. Calculate Greatest Common Factor for : 48, 80 and 112. GCF of 18 and 45. Make use of GCF of two or more numbers calculator to determine the Greatest Common Factor of 48 i. GCF of c^3 and c: c 4. 8 largest number that divides all numbers equally. The first method to find GCF for numbers 64 and 80 is to list all factors for both numbers and pick the highest common one: All factors of 64: 1, 2, 4, 8, 16, 32, 64. The GCF of 48 and 80 is the largest positive integer by which both 48 and 80 can be divided. 64 = 2 × 2 × 2 × 2 × 2 × 2. Step 1: Find the prime factorization of 36. The biggest common factor number is the GCF number. The solution involves using logarithms, trigonometry, and indices to simplify and cancel out the terms. Calculate Greatest Common Factor for : 80, 32 and 48. Finding GCF for 80 and 96 by Prime Factorization. Use this online tool to calculate the greatest common factor (GCF) of any two or more integers. GCF of 24 and 28 is the divisor that we get when the remainder becomes 0 after doing long division repeatedly. Take help of GCF of two or more numbers Calculator to calculate Greatest Common Factor of 40, 32, 48, 80 i. Finding the 'GCF,' which stands for 'greatest common factor,' can be helpful for reducing fractions to lowest terms. In this method, after we write the given numbers, we seek for the prime numbers that divides both of them exactly. In the first example, the GCF was a constant. Explanation: The factors of 80 are 1,2,4,5,8,10,16,20,40,80; The factors of 100 are 1,2,4,5,10,20,25,50,100. The second method to find GCF for numbers 72 and 96 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 72: 2, 2, 2, 3, 3. It is 3. Step 2: Then multiply all the prime factors GCF (40, 32, 48, 80) = 8. To find the Greatest Common Factor or GCF of 16 and 80, decompose all numbers into prime factors and choose the common ones with lowest exponent. This is a more complicated way of calculating the greatest common factor and is really only used by GCD calculators. The answer is 4 and the solution is explained with examples and links to other calculators. The greatest common factor of an algebraic expression can contain variables raised to powers along with coefficients. GCF of 48 and. There are 2 steps to solve this one. If we find the greatest common factor of 32 and 48, we will have the greatest common factor of 48, 80, and 128. So the GCF of 48 48 48 and 80 80 80 is 16 {\color{#4257b2}16} 16. So, as we can see, the Greatest Common Factor or Divisor is 28, because it is the greatest number that divides evenly into all of them. Calculate Greatest Common Factor for : 48, 80 and 64. Factorize of the above numbers : 16 = 2 4 48 = 2 4 • 3 80 = 2 4 • 5 Build a prime factors table. David found and factored out the GCF of the polynomial 80b4 - 32b2c3 + 48b4c. The second method to find GCF for numbers 48 and 90 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 48: 2, 2, 2, 2, 3. Step 2: Find the prime factorization of 64. His work is below. Since there are no others, the greatest common factor is this prime factor: GCF = 2. GCF (48, 80, 64) = 16. The factors of a number include all divisors of that number. Step 2: Then multiply all the prime factors GCF (40, 32, 48, 80) = 8. 64 = 2 x 2 x 2 x 2 x 2 x 2. We found the factors and prime factorization of 48 and 60. When you compare the prime factorization of these two numbers, you can see that there are matching prime factors. To find the Greatest Common Factor or GCF of 32, 48, 64 and 80, decompose all numbers into prime factors and choose the common ones with lowest exponent. 48 = 2 x 2 x 2 x 2 x 3. Also check out the Least Common. Find the prime factorization of 100. 48, 80 and 128. The corresponding divisor (8) is the GCF of 40 and 48. 48 = 2 × 2 × 2 × 2 × 3. Click "Calculate" to see all factors of each number as well as the greatest common factor (GCF). This is a more complicated way of calculating the greatest common factor. 48 = 2 x 2 x 2 x 2 x 3. What is the Greatest Common Factor? Put simply, the GCF of a set of whole numbers is the largest positive integer (i. So the greatest common factor 48 and 66 is 6. Compute the greatest common factor of two numbers (integers or real numbers) using this gcf calculator. Find out what the greatest common factor (GCF) of 48, 72, 33, and 80 is with our easy-to-follow explanation and calculator. GCF of 15 and 45. The GCF is 16. Now we need to multiply them to find GCF: 2 × 2 × 2 × 3 = 24. Use the GCF by LCM formula to calculate, GCF (a,b) = (a × b)/LCM (a,b) = (48 × 240)/240 = 11520/240 = 48. Now we need to multiply them to find GCF: 2 × 2 × 2 × 2. 54 = 2 x 3 x 3 x 3. The factors of 32 and 80 are 1, 2, 4, 8, 16, 32 and 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 respectively. To find the GCF of numbers using factoring list out all the factors of each number. Spelled out, it is the greatest common factor of 48 and 80. Step 1. It is: 8. Calculate Greatest Common Factor for : 48, 64 and 80. Explanation: The factors of 48 are 1,2,3,4,6,8,12,16,24,48; The factors of 80 are. So, as we can see, the Greatest Common Factor or Divisor is 16, because it is the greatest number that divides evenly into all of them. Other Ways to Solve. Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf: GCF = 2 x 2 x 3 = 12. 48 = 2 × 2 × 2 × 2 × 3. GCF of 64 and 80 by Long Division. The biggest common factor number is the GCF number. Step 1: Divide all the numbers with common prime numbers having remainder zero. Prime Factorization of 48 is 2 x 2 x 2 x 2 x 3. What is the Greatest Common Factor of 48 and 80? The greatest common factor (GCF) of a set of numbers is the largest positive integer that divides each of the numbers evenly. Prime Factorisation Calculator. GCF of 48 and 54 is the divisor that we get when the remainder becomes 0 after doing long division repeatedly. Factor: 9xy2+6x2y2+21y3. 84 = 2 x 2 x 3 x 7. Eg- GCF of 48 and 80 is 16, where 16 is less than both 48 and 80. Steps to find GCF. Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf: GCF = 2 x 2 x 2 = 8. As we can see there is only one Prime Factor common to both numbers. Write all numbers as the product of its prime factors. 7 X 5 D. GCF of 48, 80, 64 is 16. corpus christi estate sales
Finding GCF for 64 and 80 using all factors (divisors) listing. . Gcf of 48 and 80
Step 1: Find the prime factorization of 40. Write your answer in the form a (b+c) where a is the GCF of 32 and 48. By finding the GCF of two numbers, we can rewrite the expression as a product, making calculations easier. GFC of 80, 32, and 48: 16 GCF of b4, b2, and b4: b2 GCF of c3 and c: c GCF of the polynomial: 16b2c Rewrite as a product of the GCF: 16b2c(5b2) – 16b2c(2c2) + 16b2c(3b2) Factor out GCF: 16b2c(5b2 – 2c2 + 3b2). So, as we can see, the Greatest Common Factor or Divisor is 4, because it is the greatest number that divides evenly into all of them. Step 3: The GCF will be the prime factors that are common. Factorize of the above numbers : 36 = 2 2 • 3 2 48 = 2 4 • 3 80 = 2 4 • 5 Build a prime factors table. Example 1: Find the greatest number that divides 40 and 48 exactly. Prime Factors for 48: 2, 2, 2, 2, and 3. The corresponding divisor (48) is the GCF of 48 and 96. Steps to find GCF. e whole number and not a decimal) that divides evenly into all of the numbers in the set. Step 2: Since the remainder = 0, the divisor (20) is the GCF of 20 and 40. Using 12 as an example, in addition to 3 and 4 being factors: 3 × 4 = 12. We will now calculate the prime factors of 48 and 72, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 48 and 72. You can find GCF(48,112) using Euclid's algorithm:. 48 = 2 x 2 x 2 x 2 x 3. Factors of 20: 1, 2, 4, 5, 10, and 20. Least common multiple can be found by multiplying the highest exponent prime factors of 48 and 80. The Greatest Common Factor (GCF) for 80 and 64, notation CGF (80,64), is 16. What is the greatest common factor of 12 and 24 and 48? The greatest common factor of the numbers 12, 24 and 48 is 12. To find GCF (Greatest Common Factor) between two numbers, mainly there are two methods available, Those are-. GCF of c^3 and c: c 4. It's also called the greatest common divisor (GCD). Explanation: The factors of 48 are 1,2,3,4,6,8,12,16,24,48; The factors of 64 are 1,2,4,8,16,32,64. The biggest factor of 48 is 24. The GCF of 48 and 80 is 16. What is the Greatest Common Factor? Put simply, the GCF of a set of whole numbers is the largest positive integer (i. GCF of 48, 72, 80 is 8 GCF(48, 72, 80) = 8. GCF of 12 and 24. As we can see there are Prime Factors common to both numbers: 2, 3. 24, 32, 48, and 96; As you can see when you list out the factors of each number, 16 is the greatest number that 80, 80, 16, and 96 divides into. First off, if you're in a rush, here's the answer to the question "what is the GCF of 32, 48, 80, and 62?". The Greatest Common Factor (GCF) for 48 and 80, notation CGF (48,80), is 16. 36 = 2 x 2 x 3 x 3. Now we need to multiply them to find GCF: 2 × 2 × 2 = 8. The prime factors they have in common are 2, 2, 2, and 2, so the greatest common factor is 2 x 2 x 2 x 2 = 16. Example 1: Find the greatest number that divides 32 and 48 exactly. For example, in: 3 × 4 = 12, 3 and 4 are the factors. 7 X 5 D. Also check out the Least Common Multiple of 48 and 26. To find the Greatest Common Factor or GCF of 40, 48 and 80, decompose all numbers into prime factors and choose the common ones with lowest exponent. GCF of 36, 48, 8, and 80 = 4. So, as we can see, the Greatest Common Factor or Divisor is 16, because it is the greatest number that divides evenly into all of them. What is the greatest common factor of 24 48 and 80? The greatest common factor of 24, 48, and 80 is 8. Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers. 3 1 = 48. Step 2: Since the remainder ≠ 0, we will divide the divisor of step 1 (27) by the remainder (21). We found the factors and prime factorization of 28 and 48. When you compare the prime factorization of these two numbers, you can see that there are matching prime factors. Calculate Greatest Common Factor for : 48, 80 and 128. What is the GCF of 48 and 80? GCF is the abbreviation for Greatest Common Factor. Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf: GCF = 2 x 2 x 2 = 8. 14 = 2 _ × 7 _ 28 = 2 _ × 2 × 7 _. MathStep (Works offline) Download our mobile app and learn how to find GCF of upto four numbers in your own time: Android and iPhone/ iPad. and 16 divides evenly into 80: 80/16 = 5. The table below lists the factors for 3, 18, 36 and 48. GCF of 48, 20, 60 and 12; GCF of 54, 20 and 8; GCF of 10, 40, 26 and 2; GCF of 12, 60, 45 and 3; Greatest Common Factor. The second method to find GCF for numbers 48 and 75 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 48: 2, 2, 2, 2, 3. → GCF of 25 and 90 → GCF of 15 and 18 → GCF of 24 and 40 → GCF of 48 and 80 → GCF of 12 and 14 → GCF of 48 and 72 → LCM of 30 and 40 → LCM of 4 and 15 → LCM of 15 and 6 → LCM of 2 and 5 → LCM of 2 and 9 → LCM of 10 and 4. The Greatest Common Factor (GCF) for 48 and 64, notation CGF (48,64), is 16. Find the GCF Using Euclid's Algorithm. GCF(48, 80) = 16. For example, GCF (12,36) = 12 and GCF (42,64) = 2. First off, if you're in a rush, here's the answer to the question "what is the GCF of 36 and 48?". List all the factors for 32,40,48 32, 40, 48 to find the common factors. Add answer +5 pts. Step 1: Divide 48 (larger number) by 16 (smaller number). And this is the prime factorization of 80: 2^4 × 5^1 24 ×51. Since there are no others, the greatest common factor is this prime factor: GCF = 2. The difference between 32 and 48 is 16, so the greatest possible common factor between 32. Since the divisor at this stage is 16, the HCF of 32. gcf of 48 and 80. Now we need to multiply them to find GCF: 2 × 2 × 2 × 2. GCF = 4. The solution. Enter two numbers separate by comma. It is 3. Factorize of the above numbers : 32 = 2 5 48 = 2 4 • 3 80 = 2 4 • 5 Build a prime factors table. There are a number of different ways to calculate the GCF of a set of numbers depending how many numbers you have and how large they are. The second method to find GCF for numbers 48 and 56 is to list all Prime Factors for both numbers and multiply the common ones: All Prime Factors of 48: 2, 2, 2, 2, 3. 48 = 2 x 2 x 2 x 2 x 3. Factorize of the above numbers : 32 = 2 5 48 = 2 4 • 3 80 = 2 4 • 5 Build a prime factors table. Find the GCF of 18 and 27 by the list of factors method. GCF of 32 Calculator. For smaller numbers you can simply look at the factors or multiples for each number and find the greatest common multiple of them. 1 × 12 = 12. 64 largest integer that divides all the numbers equally. You can now find the Greatest Common Factor of 48 and 128 by multiplying all the matching prime factors to get a GCF of 48 and 128 as 4: Thus, the GCF of 48 and 128 is: 4. The factors of 80 are:. David found and factored out the GCF of the polynomial 80b4 – 32b2c3 + 48b4c. Replace a with b, replace b with R and repeat the division. All Prime Factors of 96: 2, 2, 2, 2, 2, 3. Select the first number (e. Find the GCF of a set of numbers by entering them separated by commas and clicking the Calculate button. Other Ways to Solve. It can be helpful to recognize 48 = 16·3 and 80 = 16·5. Find factors of the number. Factor them. Answer and Explanation: 1. The Greatest Common Factor (GCF) for 48 and 80, notation CGF (48,80), is 16. For example, in: 3 × 4 = 12, 3 and 4 are the factors. ∙ 6y ago. The final method for calculating the GCF of 48, 58, 80, and 64 is to use Euclid's algorithm. Step 1 1 of 5. Upvote • 0 Downvote. GCF of 60 and 80 by Long Division. The factors of 84 are 1,2,3,4,6,7,12,14,21,28,42,84. We need to calculate greatest common factor 48 and 64, than apply into the LCM equation. Get the stepwise instructions to find GCF of 40 and 88 using prime factorization method. Final Step: Biggest Common Factor Number. → GCF of 20 and 36 → GCF of 6 and 10 → GCF of 32 and 48 → GCF of 15 and 25 → GCF of 12 and 20 → GCF of. The common factors of 48 and 64 are 1, 2, 4, 8, and 16; the greatest common factor is 16. The greatest common factor of 48 and 80 is 16. The biggest common factor number is the GCF number. Find step-by-step Pre-algebra solutions and your answer to the following textbook question: Factor the expression using the GCF. . craigslist furniture fort worth texas, nibco hose bib repair kit, trailer sales rapid city, sf chronicle, cheap houses for sale in hawaii, immediate move in specials near me, part time jobs lancaster, british historical medallions, lesbians with tattoos porn, double pen porn, yba item spawn rate, knoxville news sentinel obit co8rr