Question

Find the LCM of 8,9, and 12

Answer 1

The LCM of 8, 9, and 12 is 72. That is the Lowest Common Multiple. 

Answer 2

It's very simple, take a look.

8, 9, 12 | 2
4, 9, 6 | 2
2, 9, 3 | 2
1, 9, 3 | 3
1, 3, 1 | 3
1, 1, 1

2² * 3² *2 = 72


LCM(8,9,12) = 72