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Verified Answer :

144 is the LCM and the GCF is 24

apologiabiology

LCM
factor them
12=223 -> two 2's, and one 3
48=22223 -> four 2's and one 3
72=22233 -> 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=22223*3=144

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