Question

24. Find LCM of 12, 15, 20, 27.

Ans: 12= 2*2*3=2^2*3^1

15= 3*5

20=2*2*5=2^2*5

27=3*3*3=3^3



HCF=1
LCM=2^2*3^3*5=540

There for Ans is 540
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Answer 1

LCM of 12,15,20,27 is 540.