24, 48, 72.
The first three multiples of 2 are 2, 4, 6. For them to be common, they need to be compared to another set of multiples.
the first three multiples are 6, 12, 18.
The first three multiples of 456 are 456, 912 and 1368. The first three multiples of 4, 5 and 6 are 60, 120 and 180.
12, 24, 36
2, 4, 6
That's going to depend on where you start and in which direction you go. If you begin at zero and move in the direction of increasing numbers, then the first three multiples of 3 are 3, 6, and 9, the first three multiples of 2 are 2, 4, and 6, and the first three COMMON multiples of 2 AND 3 that you'll encounter are 6, 12 and 18.
24 and 48
24, 48, 72
2, 4, 6
60 120 180
36, 72 and 108.
60, 120, 180