336
The LCM is 9744.
The least common multiple (LCM) of 21 and 42 is 42.
Th LCM of 21 and 42 is: 42
The LCM is 1302.
The LCM is 252.
The LCM is 42
The LCM is 1008.
The LCM is: 42
LCM for 14 and 21 is 42.
Since 42 is a multiple of 21, it is automatically the LCM.
LCM(21, 42, 18) = 126
LCM(21, 28, 42) = 84