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The highest common factor of 9 and 15 is 3.

(3*3) and (5*3)

Factors of 9: 1 3 9

Factors of 15: 1 3 5 15

The GCF is 3.
The GCF is 3.

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7y ago
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6y ago

The GCF is 3.

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Wiki User

12y ago

GCF(9, 15) = 3

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Q: What is the greatest common factor of 9 9 and 15?
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