The first 3 multiples of 6 are: 6, 12, and 18.
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.
They are: 3, 6 and 9
The first three multiples of 3 are 3, 6, 9 The first three multiples of 9 are 9, 18, 27 As the lowest common multiples of 3 and 9 is 9, the common multiples of 3 and 9 are the multiples of 9, thus: The first three common multiples of 3 and 9 are 9, 18, 27
6, 12 and 18
6, 12, 18
First three common multiples of 2 and 6 are 6, 12 and 18.
3, 6, 9
3, 6, 9, 12.
6, 12, 18
3: 3, 6, 9, ... 6: 6, 12, 18, ... 18: 18, 36, 54, ... The lcm(3, 6, 18) = 18, so the multiples of 18 are common multiples of all of them.
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.