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How do you do a greatest common factor problem?

Anonymous

∙ 13y ago

Updated: 11/1/2022

Example: 30 and 42

Factor them.

2 x 3 x 5 = 30

2 x 3 x 7 = 42

Select the common factors.

2 x 3 = 6, the GCF.

Wiki User

∙ 13y ago

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Continue Learning about Math & Arithmetic

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By finding the factors in both numbers and then finding the one that is greatest in common. For example the G.C.F for 45 and 36 is 9.

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