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# What is the greatest common factor of 10 21 and 42?

Updated: 8/30/2023

Wiki User

8y ago

The GCF (greatest common factor) would be 21.

Wiki User

9y ago
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## A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Wiki User

8y ago

The GCF is 1.

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