3,6,9,12,15,18,21,24,27
15, 30 and 45
Multiples of 3 less than 20 are {3,6,9,12,15,18}.
81, 84, 87.
33, 36, 39, 42, 45, 48, 51, 54, 57.
3,6,9,12,15,18,21,24,27
There are 3 such numbers: 30, 60, 90.
15, 30, 45
15, 30, 45
15, 30 and 45
18, 21, 24, 27.
3, 9, and 15. 6 and 18 are also multiples of 3, but are even.
15, 30 & 45
To find numbers that are multiples of both 3 and 5, we need to find the numbers that are common multiples of both 3 and 5. These are numbers that are divisible by the least common multiple of 3 and 5, which is 15. The first four numbers less than 70 that are multiples of both 3 and 5 are 15, 30, 45, and 60.
3, 6, 9, 12, 15, 18, 21, 24, 27.
Here are all 13 of them: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195
15, 30, 45, 60