The multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ............
The multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24 ............
The common multiples of 2 and 3 are 6, 12, 18, 24, ............

The multiples of 5 are 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ............
The multiples of 10 are 10, 20, 30, 40, 50, ............
The common multiples of 5 and 10 are 10, 20, 30, 40, 50, ............

The multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ............
The multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, ............
The multiples of 4 are 4, 8, 12, 16, 20, 24, ............
The common multiples of 2,3 and 4 are 12, 24, 36, 48, 60, ............