Math

15 and 3 = lcm:

Asked by AnneS2 12 years ago 9/10/2013 12:31 PM

Last updated by anonymous 12 years ago 9/12/2013 1:10 PM

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Answered by CherieS 12 years ago 9/12/2013 1:10 PM

FInd the prime factors of both numbers

3=1*3

15=3*5

LCM=product of the factors

=3*5=13