The LCM of 21 and 72 is 504.
The LCM is: 180.
63
The LCM is: 7272
The LCM is 72.
The LCM is: 72lcm(9, 8, 6) = 72
You need at least two numbers to find an LCM. If that's 72 and 124, the LCM is 2232. If that's 7, 21 and 24, the LCM is 168.
LCM(72, 3) = 72.
The LCM of 24 and 72 is 72.
The LCM of 12 and 72 is 72
The LCM is: 72
The LCM is 72.72