Find the GCF of these numbers: 13, 91

Asked by AnneS2 12 years ago 8/14/2013 3:32 AM

Last updated by anonymous 12 years ago 8/16/2013 2:07 AM

Answered by CherieS 12 years ago 8/16/2013 2:07 AM

Find the prime factors of both numbers

13=1*13

91=1*7*13

GCF=product of the factors * the greatest number of times it occurs

=1*1*13=13