Best Answer

the common factors are 2,4,8 and the greatest common factor is 8

Q: What are the common factors of 32 56 and 72?

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THe common factors of 32, 48, and 72 are 1, 2, 4 and 8

Break each number into its prime factors: 56 = 23 x 7 63 = 32 x 7 72 = 23 x 32 No prime factors are common to all three numbers, so we conclude that the GCF of the set is 1.

The factors of 32 are: 1, 2, 4, 8, 16, 32 The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56 The factors of 64 are: 1, 2, 4, 8, 16, 32, 64 The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

Common factors of 56 and 72 are 1, 2, 4 and 8.

The GCF is 8.

8 evenly divides all of the values, (3*8 = 24, 5*8 = 40, 7*8 = 56, 9*8 = 72), and, no other factors go into the numbers, thus 8 is the GCF.

56 and 72

1, 2, 4 and 8

Yes

The greatest common factor is the highest number that divides exactly into two or more numbers. 32: 1, 2, 4, 8, 16, 32 56: 1, 2, 4, 7, 8, 14, 28, 56 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 The GCF of 32, 56 and 72 is 8.

The GCF is 8.

8 is the GCF of 56 and 72.