Math

Find the GCF of these numbers: 42, 90

Asked by AnneS2 12 years ago 8/14/2013 3:31 AM

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

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

Find the prime factors of both numbers

42=2*3*7

90=2*3*3*5

GCF=product of the shared factors

=2*3=6