THe GCF of 21 and 60 is 3
21 is 3 * 7
60 is 2 * 2 * 3 * 5
What factors do they have in common? Just 3.
So 3 is the greatest common factor.
The GCF of 21 and 60 is 3.
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The Greatest Common Factor of 60, 14, 21: 1
The greatest common factor for 60 and 130 is 10.
The greatest common factor of 36, 60, and 96 is 12
The Greatest Common Factor of 60, 126, 216 is 6.
The Greatest Common Factor (GCF) is: 15