Math 399, 342 = GCF Asked by AnneS2 12 years ago 9/14/2013 6:00 AM Last updated by anonymous 11 years ago 9/16/2013 11:10 AM
Find the prime factors of both numbers 399=3*7*19 342=2*3*3*19 GCF=product of the shared factors=3*19=57
