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2  I 15,4,9,20
2  I  15,2,9,10
3  I  15,1,9,5
5  I   5,1,3,5

LCM = 2 
× 2 × 3 × 5 × 3  = 180
plz mark as best
if u dont mind then can i tell yu smthing it is wrong
how come 5 will come in last three is present over there
hope it helps plz mark as best
then last time why did u delete my ans it was correct know u changed ur ans now