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Factors of 12: 1, 2, 3, 4, 6, 12

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

Factors of 45: 1, 3, 5, 9, 15, 45

GCF (12, 20, 45) = 1

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12y ago

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More answers

The GCF of 12, 20 and 45 is 1.

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Wiki User

9y ago
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The GCF is 1.

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Wiki User

9y ago
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GCF(45, 12, 20) = 1

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11y ago
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1

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13y ago
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Q: What is the greatest common factor of 45 12 and 20?
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