What is the GCF of 15 and 60?

1 Answer
Evan
May 8, 2018

15

Explanation:

Prime factor of 60=2^2xxcolor(red)(3)xxcolor(red)(5)

Prime factor of 15=color(red)(3)xxcolor(red)(5)

The greatest common factor is the similar primes of both numbers multiplied.

GCF=color(red)(3)xxcolor(red)(5)=15

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