Best Answer

49 = 7 * 7

56 = 7 * 2 * 2 * 2

The common factor is 7 -- greatest or least is the same in this case.

greatest common factor of 56 and 49 is 7.

56 = 7 * 2 * 2 * 2

49 = 7 * 7 7 56 / 49 = 1 r 7

49 / 7 = 7 r 0

Q: What is the greatest common factor of 49 and 56?

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The GCF is 1.

The greatest common factor of 12 and 56 is 4.

The greatest common factor of 24 and 56 is 8.The least common multiple of 24 and 56 is 168.

There is not a greatest common factor of 56 because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common.The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56.The prime factors of 56 are 2, 2, 2, and 7.Examples:The greatest common factor of 16 and 56 is 8.The greatest common factor of 44 and 56 is 4.The greatest common factor of 56 and 63 is 7.You need at least two numbers to find a GCF.

The Greatest Common Factor (GCF) is: 7

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