6 9 12 15 18 21 24 27 30 33 36 39
3,6,9,12,15,18,21,24,27
1, 2, 3, 4
81, 84, 87.
15, 30 and 45
Multiples of 3 less than 20 are {3,6,9,12,15,18}.
6, 12, 18, 24, 30 & 36.
4 numbers less than 70 that are multiples of 3 and 5
3. All other multiples of 3 are not prime.
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39
33
3,6,9,12,15,18,21,24,27
81,84,87,90
Here are all 13 of them: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195
It is less than -3.
There are 3 such numbers: 30, 60, 90.
3, 9, and 15. 6 and 18 are also multiples of 3, but are even.
1, 2, 3, 4