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Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42

Factors of 77: 1, 7, 11, 77

Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

GCF (42, 77, 84) = 7

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11y ago
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Wiki User

11y ago

The GCF is 7.

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Wiki User

8y ago

The GCF is 7.

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Anonymous

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3y ago

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Q: What is the greatest common factor of 42 77 and 84?
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