The first few multiples of nineteen are:1938577695114133152171190209
They are the first three multiples of LCM(5, 9), that is, the first three multiples of 45.
The first 4 multiples of 10 are: 10, 20, 30, and 40.
Take the first number. Add it to itself. Keep adding that number to the total three more times. The first five nonzero multiples of 9 are 9, 18, 27, 36, and 45. Put another way, let each number equal x. The first five nonzero multiples of x are 1x, 2x, 3x, 4x and 5x.
The first 10 multiples of 3 are: 3, 6, 9, 12, 15, 18, 21, 24, 27, and 30.
The first five nonzero multiples of 6 are 6, 12, 18, 24 and 30.
The first few multiples of nineteen are:1938577695114133152171190209
7, 14, 21, 28, 35, 42, 49, 56, 63, 70.
The first 3 multiples of 13 are: 13, 26, and 39.
They are the first three multiples of LCM(5, 9), that is, the first three multiples of 45.
The first 10 multiples of 7 are: 7, 14, 21, 28, 35, 42, 49, 56, 63, and 70.
The first 4 multiples of 10 are: 10, 20, 30, and 40.
66 is the first one
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
56, 112, 168, 224, 280, 336, 392, 448, 504, 560
The first 6 multiples of 4 are: 4, 8, 12, 16, 20, and 24.
11 22 33 44