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How do you show your work on GCF on 21 and 70?

Updated: 8/20/2019
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Wiki User

10y ago

Best Answer

3 x 7 = 21

2 x 5 x 7 = 70

Select the common factor.

The GCF is 7.

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Wiki User

10y ago
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Q: How do you show your work on GCF on 21 and 70?
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