The Greatest Common Factor (GCF) of 20 and 36 is: 4
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The factors of 36 are 1,2,3,4,6,9,12,18,and 36.The factors of 74 are 1,2,and 37.The greatest common factor of 36 and 74 is 2.
The GCF of 20 and 36 is 4. To find the greatest common factor, or GCF, you must first identify the factors for each number. For 20, its factors are 1, 2, 4, 5, 10, and 20. For 36, its factors are 1, 2, 3, 4, 9, 12, 18, and 36. 4 is the highest (or greatest) factor they have in common, so the GCF for 20 and 36 is 4.
The greatest common factor is 3
-- The factors of 20 are 1, 2, 4, 5, 10, and 20. -- The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. -- The (common) factors of both 20 and 36 are 1, 2, and 4 . -- The greatest one of the common factors (GCF) of 20 and 36 is 4 . The answer has got to be somewhere in here.
It is: 4