18, 36, and 54 are.
Wiki User
∙ 2012-01-03 02:42:33Wiki User
∙ 2017-05-06 22:59:5218, 36, 54
The first three common multiples of 2 and 3 are... 6, 12 and 18.
The first three common multiples are 18, 36, and 54.
18, 36, 54
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
18, 36, 54
First three common multiples of 2 and 6 are 6, 12 and 18.
The first three multiples of 6 are 6, 12 and 18. For them to be common, they need to be compared to another set of multiples.
6, 12, 18
9, 18 and 27
6, 12, 18
18, 36, 54
18, 36, 54.