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When one number divides evenly into the other, it is the GCF.

3 is the answer.◄

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15y ago
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8y ago

The GCF of 3 and 15 is 3. Since 3 is a factor of 15, it is automatically the GCF.

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10y ago

The GCF refers to integers, not decimals.

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8y ago

The GCF is 3.

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15y ago

The GCF of 3 & 15 is 3.

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13y ago

3

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