They have to be multiples of 15 so all of them will be multiples of 3. They all have to be even so you are left with 30, 60, 90
They are the six multiples of 15.
The common multiples of 3 and 15 from 1 to 100 are 15, 30, 45, 60, 75, and 90.
The common multiples of 3 and 15 from 1 to 100 are 15, 30, 45, 60, 75, 90
15,30,45,60,75,90
3:3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99 15:15,30,45,60,75,90,105
The common multiples of 3 and 15 in the numbers 1-100: 15, 30, 45, 60, 75, 90
15,30,45,60,75, and 90
45 and 90
15, 30, 45, 60, 75, 90
15, 30, 45, 60, 75, 90
15, 30, 45, 60, 75, 90.
Multiples of 15 include 15, 30 and 45. For them to be common, they need to be compared to another set of multiples.