3 years ago

What is the greatest common factor for 21 and 40?

2 answers:

8 0

To get the Greates Common Factor (GCF) of 21 and 40 we need to factor each value first and then we choose all the copies of factors and multiply them:

21: 3 740: 222 5 GCF: The Greates Common Factor (GCF) is: 1

AlekseyPX3 years ago

4 0

The only common factor is 1. So that's the greatest.

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