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Anonymous
Fourty two
210 (prime)factors to:2*3*5*7
252 (prime)factors to: 2*2*3*3*7
So the greatest common factor is 2*3*7 = 42
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The GCF is 12.
The GCF of 144 and 252 is 36
The GCF is12.
The GCF is 105.