The Greatest Common Factor (GCF) for 72 and 20, notation CGF(72,20), is 4. Explanation: The factors of 72 are 1,2,3,4,6,8,9,12,18,24,36,72; The factors of 20 are 1,2,4,5,10,20.
What is the common factor of 70?
Pair Factors of 70
| 1 x 70 = 70= (1, 70) | -1 x -70 = 70= (-1,-70) |
|---|---|
| 2 x 35 = 70 = (2, 35) | – 2 x -35 = 70= (-2, -35) |
| 5 x 14 = 70 = (5, 14) | – 5 x -14 = 70 = (-5, -14) |
| 10 x 7 = 70 = (10, 7) | – 10 x -7 = 70 = (-10, -7) |
Which is the greatest common factor of 20 and 70?
One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 70 are 1, 2, 5, 7, 10, 14, 35, and 70. The common factors are 1, 2, 5, and 10. Therefore, the greatest common factor is 10.
What are the common factors of 20 and 60?
The common factors of 20 and 60 are: 1, 2, 4, 5, 10, and 20 The common factors of 20 and 60 are: 1, 2, 4, 5, 10, and 20. Home Science Math and Arithmetic
How to list all the factors of 20?
List all the factors of 20 Answer: 1, 2, 4, 5, 20, – 1, – 2, – 4, – 5, – 20. Factor of 20 in Pairs . 1 x20, 2 x10, 4 x 5, 5 x 4, 10 x 2, 20 x 1 . 1 and 20 are a factor pair of 20 since 1 x 20 = 20 2 and 10 are a factor pair of 20 since 2 x 20 = 20 4 and 5 are a factor pair of 20 since 4 x 5 = 20 5 and 4 are a factor pair of 20 since 5 x 4 = 20
Which is a prime factor pair of 20?
20 and 1 are a factor pair of 20 since 20 x 1 = 20 . So, (1, 20), (2, 10), and (4, 5) are a factor pairs of 20. What are the factor pairs of 20? Answer: (1, 20), (2, 10), and (4, 5) Prime Factors of 20 . 20 ÷ 2 = 10 10 ÷ 2 = 5 5 ÷ 5 = 5. Prime factorization of 20 Answer: 2 x 2 x 5 or 2 2 x 5 . Factor tree of 20
