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The greatest common factor of 12, 18, and 28 is 2.

The prime factorization of 12 is 2*2*3
The prime factorization of 18 is 2*3*3
The prime factorization of 28 is 2*2*7

So the greatest common factor of the set is 2.

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โˆ™ 2016-07-22 11:09:28
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โˆ™ 2016-07-22 11:22:07

It is: 2

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Q: What is the greatest common factor of 12 18 and 28?
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