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The GCF of 42 and 56 is 14.

The prime factors of 42 are 2 X 3 X 7.

The prime factors of 56 are 2 X 2 X 2 X 7.

Therefore, the greatest common factor of 42 and 56 is 2 x 7, or 14.
The GCF is 14.
The GCF is 14.

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7y ago

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