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The GCF of 24 and 72 is 24

First find all the prime factors for each number.

24: 2 x 2 x 2 x 3

72: 2 x 2 x 2 x 3 x 3

Next find all the prime factors common to both numbers in this case it will be the following:

GCF: 2 x 2 x 2 x 3 = 24

Factors of 24 include 1,2,3,4,6,8,12,24

Factors of 72 include 1,2,3,4,6,8,9,12,18,24,36,72

Therefore the greatest common factor of 24 and 72 is 24.

Since 24 is a factor of 72, it is automatically the GCF.

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Q: What is the greatest common factor of 72 and 24?

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The greatest common factor of 48 and 72 is 24. 24 x 2 = 48 24 x 3 = 72

The GCF is 24.

Since 24 is a factor of 72, it is automatically the GCF.

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