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Anonymous
The LCM would be 90...
6 x 15 = 90
15 x 6 = 90 &
18 x 5 = 90
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lcm(6, 15,18) = 90
6 = 2 x 3
15 = 3 x 5
18 = 2 x 32
lcm = 2 x 32 x 5 = 90
18 = 2 x 3 x 3
Least common multiple = 2 x 3 x 5 x 3 = 90
LCM(6, 15, 18) = 90
90
It is: 90