8,16,24,32,40,48,56,64,72,80,88,96
66, 72, 78, 84, 90, 96.
13, 26, 39, 52, 65, 78, 91.
All multiples of 6: 0, 6, 12, 18, ... -6, -12, -18, ...
0 is a multiple of 5 that is less than 5 is one counter example.
8,16,24,32,40,48,56,64,72,80,88,96
72.
All nonzero numbers have an infinite amount of multiples.
50
it is 44 and 88
Just 49
Just 72.
There are 2 such numbers: 44, 88.
70 and 75
It's 72
21: 21, 42, 63, and 84!
The common multiples of 8 and 12 that are less than 100 are 24, 40, 48, 56, 64, 72, 80, 88, and 96.