The least common multipule of 60 and 72 is 360.
60
The other way round 60 is a multiple of 4 because 4 times 15 = 60
The number could be either 14 or 16.
it is 6
21
21
945
Any multiple of 192.
The Least Common Multiple (LCM) for 12 15 is 60
The LCM of 3 and 4 is 12.
6, 9, 12, 15, 18, and 21