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Factors of 77: 1, 7, 11, 77

Factors of 20: 1, 2, 4, 5, 10, 20

GCF (77, 20) = 1

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11y ago
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8y ago

The GCF of 20 and 77 is 1.

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Q: What is the greatest common factor of 20 and 77?
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The greatest common factor of 21 and 77 is 7.


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