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Anonymous
You need at least two numbers to find a GCF.
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The GCF is 15.
The GCF is 6.
It is: 12
60
The greatest common factor of the numbers '420' and '2646' is '42'.
The GCF is 70.
42=2x3x7 56=23x7 so the HCF = 2x7 = 14
The GCF is 10.
The HCF of 124 and 72 is 4.