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Anonymous
10 = 2 * 5
4 = 2 * 2
So the greatest common factor is 2.
Wiki User
The Greatest Common Factor of 16, 36: 4
12
7
4
The highest common factor of the numbers 12 and 21 is 3.
The GCF is 6.
The GCF is 3.
The GCF is 2.
The GCF is 1.
The GCF is 24.