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Q: What is the greatest common factor of 21and 42?

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The GCF is 21.

The greatest common factor of 42 and 12 is 6.

The greatest common factor of 42 and 66 is 6.6

The Greatest Common Factor (GCF) is: 6The greatest common factor of 42 and 102 is 6.

The greatest common factor of 12 , 42 = 6

The Greatest Common Factor of 24 and 42 is 6.

The greatest common factor of 13 and 42 is 1.

The greatest common factor of 42 and 196 is 14.

The greatest common factor of 16 and 42 is 2.

Since 3 is a factor of 42, it is automatically the GCF.

the greatest common factor of 42 and 82 is 2

The GCF of 42 and 58 is 2.