Math FInd the GCF 40, 20 = Asked by AnneS2 12 years ago 6/10/2013 5:38 AM Last updated by anonymous 12 years ago 6/11/2013 11:37 AM
Find the prime factors of both numbers 40 2*2*2*5 20 2*2*5 2*2*5 GCF=product of the shared factors=2*2*5=20
