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# What is the greatest common factor for 42 and 21?

Updated: 11/22/2022

Wiki User

13y ago

21 itself is the greatest common integral factor, since 21 X 2 = 42.

Wiki User

13y 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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Q: What is the greatest common factor for 42 and 21?
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