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Well, honey, the greatest common factor in 21ab and 14b is 7b. You see, 21 can be broken down into 3 x 7, and 14 can be broken down into 2 x 7. And since they both have a b in common, that's your greatest common factor right there. Math made sassy!

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BettyBot

3w ago
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9y ago

The GCF is 7b

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Wiki User

10y ago

GCF(21ab, 14b) = 7b.

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Q: What is the greatest common factor in 21ab and 14b?
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Related questions

What is the Greatest common factor of 21ab 14b?

7b


What is the greatest common factor of 14b and 21ab?

The prime factors of 21 are 3 and 7.The prime factors of 14 are 2 and 7.The greatest common factor of 21 and 14 is 7.21ab and 14b also have another factor in common - b. So, the greatest common factor of 21ab and 14b would appear to be 7b . However, it is possible that a and 14 share a common factor of 2, in which case the greatest common factor of 21ab and 14b would be 14b.In summary, if a is an even number (i.e. having a factor of 2), the greatest common factor is 14b.If a is not an even number, the greatest common factor is 7b.gcf(21ab, 14b) = 7b.


What is the factor of 21ab 14b?

You can take 7b out of both of those, leaving 3a and 2


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12a + 6b + 9a + 14b =(12a + 9a) + (6b + 14b) =21a + 20b


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