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The GCF of 6, 16, and 20 is 2.

The prime factorization of 6 is 2*3.
The prime factorization of 16 is 2*2*2*2
The prime factorization of 20 is 2*2*5
So the GCF of 6, 16, and 20 is 2.

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9y ago

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