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# What are the greatest common factors of 21?

Updated: 8/17/2019

Wiki User

7y ago

The factors of 21 are 1, 3, 7, and 21. For them to be common, they need to be compared to another set of factors.

Wiki User

7y 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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