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To find the Greatest Common Factor (GCF) of 20, 30, and 90, you first need to factor each number into its prime factors. The prime factorization of 20 is 2^2 * 5, of 30 is 2 * 3 * 5, and of 90 is 2 * 3^2 * 5. Then, you identify the common prime factors among the numbers, which are 2 and 5. Finally, you multiply these common prime factors together to find the GCF, which is 2 * 5 = 10.
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What is the GCF of 20 30 and 90?
gcf(20, 30, 90) = 10
What is the gcf of 60 and 90?
30The gcf is 30
What is the greatest common factor of 90 150 120?
The GCF is 30.
What is the GCF of 32 90 and 30?
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.
What is the GCF of 27 and 75 and 90?
The GCF is 3.
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