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7 is the Greatest Common Factor (GCF)

Factored into their prime factors:

28 = 2 x 2 x 7

77 = 7 x 11

91 = 7 x 13

The only factor they have in common (other than 1) is 7

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8y ago

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More answers

The GCF is 7.

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9y ago
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The GCF is 7.

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9y ago
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The GCF is 1.

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10y ago
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HCF(28, 77, 91) = 7.

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10y ago
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Q: What is the greatest common factor of 28 77 and 99?
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