Multiples of 2: 2, 4, 6, 8, 10, 12, 14, ...
Multiples of 5: 5, 10, 15, 20, 25, 30, ...
Multiples of 10: 10, 20, 30, 40, 50, ...
So the LCM (Least Common Multiple) is 10.
It is: 10
80
40
30
The LCM is 30.
It is 20
It is: 40
60
40
The LCM is: 360
LCM of 5 and 6 is 30.
180