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The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.

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7y ago
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8y ago

The GCF is 3.

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6y ago

GCF(3, 9, 15) = 3

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9y ago

GCF(3, 9, 15) = 3.

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6y ago

The greatest common factor is 3.

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8y ago

It is: 3

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Q: What is the greatest common factor of 3 and 15 and 9?
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