They are 6*1, 6*2, 6*3, 6*4, and so on.
You seem to be unaware of the fact that you could have obtained the answer much more easily and quickly by using the calculator that comes as part of your computer.
11, 22, 33
The first three multiples of 3 and 5 are 15, 30 and 45.
3, 6, 9, 12, 15
8, 16, 24, 32, 40, 48 . . .
7, 14, 21, 28, 35
4 6 8 10 12
They are: 11 22 33 44 and 55
4, 8, 12, 16, 20
7, 14, 21, 28, 35
9, 18, 27, 36, 45
They are infinite. The first five are: 11, 22, 33, 44, 55.
The multiples are 6,12,18,24,30,36. It is 36.