Multiples of 4: 4, 8, 12, 16, 20, 24, 28, …
Multiples of 5: 5, 10, 15, 20, …
LCM(4, 5) = 20
Multiples of 5: 5, 10, 15, 20, …
LCM(4, 5) = 20
The solution above and all other related solutions were provided by the Least Common Multiple by Listing Multiples Application.