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Q: What are the highest common factors of 15 and 56?

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8

It is eight.

The GCF is 7.

The HCF of 28, 42 & 56... is 14 !

The factors of 56 are 1, 2, 4, 7, 8, 14, 28 and 56. 2 and 7 are prime. To be common, they need to be compared to another list of factors.

the lowest is 7, but you wanted the highest. that would go on forever. * * * * * No. 7 IS the highest COMMON factor.

The factors of 35 are: 1, 5, 7, 35 The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56 The common factors are: 1, 7The Greatest Common Factor: GCF = 7

The factors of 35 are:1, 5, 7, 35The factors of 56 are:1, 2, 4, 7, 8, 14, 28, 56The common factors are:1, 7The Greatest Common Factor:GCF = 7

The factors of 45 are: 1, 3, 5, 9, 15, 45 The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56 The common factors are: 1 The Greatest Common Factor (GCF) is: 1

Let us find the Highest Common Factor (HCF) for 49 and 56: We know that, The factors of 49 are 1, 7, 49 The factors of 56 are 1, 2, 4, 7, 8, 14, 28, 56 So, the highest common factor of 49 and 56 is 7.

The common factors of 56 and 18 are 1 and 2.

The common factors of 38 and 56 are 1 and 2.

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