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Hat is the greatest common factor shared by 40 and 20?

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The GCF of 40 and 20 is 20.
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What is the greatest common factor of 40 and 20?

To find the greatest common factor, list the prime factors of each number: 40: 2 x 2 x 2 x 5 20: 2 x 2 x 5 Then select the factors that each share: 2 x 2 x 5 (they

What is the greatest common factor of 20 25 35 and 40?

GCF(20, 25, 35, 40) = 5 The GCF of any set of numbers is also a factor of the difference of any pair of them. So the GCF must be a factor of 5 (= 25-20). This narrows down t