12, 24, and 36 are.
The first three common multiples of 8 and 12 are 24, 48, and 72.
The first 3 common multiples of 4 and 12 are: 12, 24, 36
The first three multiples of 4 are 4, 8 and 12. For them to be common, they need to be compared to another set of multiples.
1,2,4
First three common multiples of 2 and 6 are 6, 12 and 18.
12, 24, and 36 are.
12, 24, 36
12, 24, 36
12, 24, 36
4, 8 and 12 are the first 3 common multiples of 2 and 4
The first three multiples of 4 are 4, 8 and 12. For them to be common, they need to be compared to another set of multiples.
12, 24, 36.