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GCF of 40, 14, 21?

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what is the GCFof 40,14,21 ?
asked Mar 12, 2014 in PRE-ALGEBRA by johnkelly Apprentice

1 Answer

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The GCF is the product of the common prime factors in each number.

Factor each monomial and Circle the common prime factors.

image

The common prime factor, 1 is called the greatest common factor of 40, 14 and 21.

 

answered May 29, 2014 by joly Scholar

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