30
The gcf is 30
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gcf(20, 30, 90) = 10
The GCF is 3.
The GCF is 3.
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.
60 x 90 = 5400m2