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The factors of 15 are:

1, 3, 5, 15

The factors of 39 are:

1, 3, 13, 39

The common factors are:

1, 3

The Greatest Common Factor (GCF) is:

3

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12y ago

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More answers

The GCF of 15 and 39 is 3.

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8y ago
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Q: What is the GCF of 15 and 39?
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