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How do you find the Least Common Multiple or (LCM) of 12, 48, and 72?
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How do you find the Least Common Multiple or (LCM) of 12, 48, and 72?

User Berdir
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2 Answers

2 votes
LCM
factor them
12=2*2*3 -> two 2's, and one 3
48=2*2*2*2*3 -> four 2's and one 3
72=2*2*2*3*3 -> three 2's and two 3's

LCM includes all of them
the max number of 2's is 4
the max number of 3's is 2
lcm=2*2*2*2*3*3=144
User Shahriar Zaman
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8.4k points
7 votes
144 is the LCM and the GCF is 24
User Gramero
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8.8k points
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