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The prime factorization of 525 is 3*7*5*5
The prime factorization of 630 is 2*3*3*5*7

The factors they have in common are 3*5*7 = 105, so the greatest common factor is 105.

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โˆ™ 2016-02-26 16:16:52
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โˆ™ 2016-02-27 18:15:09

The GCF is 15.

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Q: What is the greatest common factor of 525 and 630?
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