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The gcf of 20 and 30 means the greatest common factor. You can do this my dividing 20 and 30 by the same number.

Eventually, you will get 10, no other number is greater than 10.

20/10 = 2 and 30/10 = 3.

So your answer will be 10.

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Drake Jiang

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2y ago
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Wiki User

6y ago

The GCF of 20 & 30 is... 10 !

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Henry Cheng

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2y ago

10

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Q: What is GCF of 20 30?
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