Math Find the GCF of 15 and 12 Asked by AnneS2 12 years ago 6/8/2013 12:23 PM Last updated by anonymous 12 years ago 6/9/2013 11:51 AM
Find the prime factors of both numbers 15 1*3*5 12 1*3* 2*2 1*3 The GCF=the product of the shared factors =1*3=3
