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The greatest common factor of 8 and 16 is 8. Since 8 is a factor of 16, it is clearly the greatest common factor.

Using prime factorization:

2 x 2 x 2 = 8

2 x 2 x 2 x 2 = 16

2 x 2 x 2 = 8, the GCF
It is: 8

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9y ago

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