Math

Find the LCM 77 and 42 =

Asked by AnneS2 12 years ago 7/26/2013 6:43 AM

Last updated by anonymous 12 years ago 7/27/2013 11:42 AM

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Answered by CherieS 12 years ago 7/27/2013 11:42 AM

Find prime factors of both numbers

77=1*7*11

42=1*2*3*7

1*7

LCM=product of shared factors-1*7=7