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The common factors of 20 and 40 are 20,10,5,4,2,1.

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9y ago

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More answers

Since 20 is a factor of 40, all of its factors are common.

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Wiki User

9y ago
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1,2,4,5,8,10,20 and a number greater than 20.

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Wiki User

8y ago
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1, 2, 4, 5, 10, 20

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9y ago
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the common factors are 2, 5, and 10

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14y ago
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The GCF of 21 and 40 is 1.

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9y ago
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1, 2, 4, 5, 10 and 20.

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15y ago
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1 and 5.

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Wiki User

12y ago
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1 and 5

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Wiki User

8y ago
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Q: What are the common factors of 20 40 and 60?
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