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What are the common factors for 21and 28?

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Anonymous

∙ 11y ago
Updated: 8/21/2019

The common factors are 1 and 7.

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Wiki User

∙ 11y ago
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The GCF is 3.


What is the greatest common factors of 21and 27?

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How do you show work on the common factors of 28?

The factors of 28 are 1,2,4,7,14 and 28. "Common" means "same for both". For these factors to be common, they need to be compared to the factors of another number.


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