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Factors of 45: 1 3 5 9 15 45

Factors of 63: 1 3 7 9 21 63

The GCF of 45 and 63 is 9
The GCF is 9.

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GCF(45, 63) = 9

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8y ago
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Q: What is the greatest common factor of 45 and 63?
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