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The GCF of 7, 21, and 42 is 7, because 7 is a factor of all three.

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9y ago

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More answers

The GCF of 7 and 42 is 7

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Wiki User

9y ago
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The GCF is 7.

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Wiki User

9y ago
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The Greatest Common Factor (GCF) is: 7

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14y ago
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The greatest common factor of 7 , 42 = 7

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Wiki User

10y ago
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The GCF is 7.

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Wiki User

8y ago
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Q: What is the greatest common factor of 7and42and70?
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