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Since 9 is a factor of 27, it is automatically the GCF.

Factors of 9 are 1, 3, and 9 Factors pf 27 are 1, 3, 9 and 27 So the greatest common factor is 9
The GCF is 9. The GCF must be a common factor, if you have two numbers and one is a factor of the other, that number will always be the GCF.
9

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7y ago

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