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Anonymous
15=1*3*5
40=1*2*2*2*5
gcf=5
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The greatest common factor is 5.
The GCF is 5.
The GCF of 40 and 120 is 40.Since 40 is a factor of 120, it is automatically the GCF.
The GCF is 4.
GCF of 40 and 62 is 2.