The Greatest Common Factor of 5 and 20 is 5. The factors of 5 are 1 and 5. The factors of 20 are 1, 2, 4, 5, 10, and 20. Thus, the greatest number the two share is 5.
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The GCF is 5.
The GCF is 5.
The greatest common factor of the two numbers is 5. 55/5 = 11, 20/5 = 4.
10 = 2 x 5 20 = 2 x 2 x 5 35 = 5 x 7 GCF = 5
The GCF is 5.