What is the GCF of 15 and 60?

1 Answer
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#