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Factors of 20: 1, 2, 4, 5, 10, 20.

Factors of 63: 1, 3, 7, 9, 21, 63.

GCF (20, 63) = 1

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12y ago

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More answers

The GCF of 63 and 80 is 1.

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14y ago
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The GCF of 8 and 63 is 1.

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Wiki User

9y ago
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The GCF is 1.

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9y ago
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Greatest common factor of 63 and 8 is 1.

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Wiki User

14y ago
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GCF(8, 63) = 1

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Wiki User

12y ago
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Q: What is the greatest common factor of 63 and 80?
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