Multiples of 4: 4, 8, 12, 16, 20, 24, 28, …
Multiples of 10: 10, 20, …
LCM(4, 10) = 20
Multiples of 10: 10, 20, …
LCM(4, 10) = 20
The solution above and all other related solutions were provided by the Least Common Multiple by Listing Multiples Application.