What is a Greatest Common Factor of 21 and 49?

Anonymous

∙ 17y ago

Updated: 8/17/2019

The factors of 21 are 1, 3, 7, 21 The factors of 49 are 1, 7, 49 The largest matching number is 7 so 7 is the GCF of 21 and 49.

Wiki User

∙ 17y ago

What else can I help you with?

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The GCF is 7.

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The greatest common factor of 14, 21 and 49 is 7.

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7 is the greatest common factor of 4942 and 21, or of 49, 42 and 21, if that is what you meant.

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It is: 7

What is the greatest common factor of 21 and 49?

The greatest common factor of 21 and 49 is 7.21 = 3 x 7, 49 = 7 x 7 so GCF = 7.

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The greatest common factor of 7, 35 and 49 is 7.

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