0
Anonymous
3
3| 9 21 18
3| 3 7 6
2| 1 7 2
7| 1 7 1
| 1 1 1
3*3*2*7 = 126
[Edited by lcm][james_cherming@hotmail.com]
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LCM(21, 42, 18) = 126
The LCM is 18.
The LCM is 441.
lcm(18, 9, 3) = 18.