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The numbers are prime so the only common factor is 1.

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7y ago
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8y ago

The GCF is 1.

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11y ago

The common factor of 3, 9, and 5 is 1.

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7y ago

Just 1.

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7y ago

It is: 1

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13y ago

1

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3y ago

It IS I AM THE BEST NOT THE ANWER GUY Ew,

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Q: What are the common factor of 3 5 7?
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What is the first common factor of 5-3-7?

There is only one common factor of 5, 3, 7: 1


What is the common factor for 77 and 105?

Factor out each term to get: 77 = 7 x 11 105 = 5 x 21 = 5 x 3 x 7 = 3 x 5 x 7 Since these terms have 7 in common, 7 is the common factor.


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What is the greatest common factor of 2 and 3 and 5 and 7?

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What is the greatest common factor of 180a2 and 210a?

The prime factors of 180a2 are 2, 2, 3, 3, 5, a, and a. The prime factors of 210a are 2, 3, 5, 7, and a. The prime factors in common are 2, 3, 5, and a, so the greatest common factor is 2 x 3 x 5 x a = 30a. If a is divisible by 7, there would be two factors of 7 in a2, so the extra 7 would be another factor in common with 210a, in which case the greatest common factor would be 7 x 30a = 210a


What is the greatest common factor of 525 and 630?

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