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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