The LCM is 2520.
120
For the values: 40 and 18 the LCM is: 360
the LCM of 40 and 12 is 120.
Yes, 360 is the LCM of 18 and 40.
LCM of 12, 24, and 40 = 120
The LCM is 840.
360
The LCM is: 840
120
120
120
Prime factors of 21 are: 3 and 7 Prime factors of 40 are: 23 and 5 LCM = 23*3*5*7 = 840