3, 6, 9, 12, 15, 18, 21 ...> 163059 etc
3, 6, 9, 12, 15 and so on. 5, 10, 15, 20, 25 and so on. Common multiples include 15, 30, 45, 60, 75 and so on.
21, 42, 63 and so on.
the common multiple is 18
First 9 X 10 is easy to calculate. Any number times 10 is that number with a 0 added.9 X 10 = 90Then you just add the 9 to it to have the same answer as if you multiplied 9 X 11.90 + 9 = 99or9 X 11 = 99
6,12,18,24,30,30,42,48,54,60,66,72
3, 6, 9, 12, 15, 18, 21 ...> 163059 etc
4,8,12,16,20,24,28,32,36,40,44,48
3, 6, 9, 12, 15 and so on. 5, 10, 15, 20, 25 and so on. Common multiples include 15, 30, 45, 60, 75 and so on.
2 and 5
101
the multible for 16 is 32 and 48
21, 42, 63 and so on.
the common multiple is 18
18
The first 10 composites are: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18.
There can only be one greatest and the greatest common multiple of 9 and 10 is infinite. The first 5 common multiples of 9 and 10 are 90, 180, 270, 360 and 450.