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Anonymous
Prime factorization of 32 = 2x2x2x2x2
Prime factorization of 90 = 2x3x3x5
Prime factorization of 30 = 2x3x5
What is common in the prime factorization of the numbers?
Only 2 is common, so GCF is 2.
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The GCF is 2.
gcf(20, 30, 90) = 10
30The gcf is 30
The GCF is 30.
The GCF is 10.
The GCF is 3.