It is: 420
The LCM is 2520.
The Least Common Multiple (LCM) for 21 15 12 29 is 12,180.
The LCM is 3360.
The LCM is 210.
The LCM is 84.
210The LCM of 6, 12, and 21 is 210
The LCM of 12 and 15 is 60...
The LCM of 15 and 12 is 60.
The LCM of 15, 21 and 27 is 945.
The LCM is 2520.
The LCM is: 105
12 and 9. Since both have to be multiples of 3 and sum to 21, the only pairs to consider are 3 and 18 6 and 15 9 and 12 Of these, 3 and 18 have an LCM of 18 and 6 and 15 have an LCM of 30.