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The greatest common factor(gcf) of 64 and 40 is 8.

The factors of 40 are 2, 2, 2 and 5

The factors of 64 are 2, 2, 2, 2, 2, and 2

So the highest common factor will have no fives and three 2s = 2 x 2 x 2 = 8

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The GCF of 40 and 64 is 8

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8y ago
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Q: What is the greatest common factors of 40 and 64?
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