Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, …
Multiples of 8: 8, 16, 24, 32, 40, 48, 56, …
Multiples of 20: 20, 40, …
LCM(4, 8, 20) = 40
Multiples of 8: 8, 16, 24, 32, 40, 48, 56, …
Multiples of 20: 20, 40, …
LCM(4, 8, 20) = 40
