Too many to list, but starting with 228, 231, 234, 237, 240, 243, 246, 249 . . .
210 213 216 219 222 and 225.
No. As a general rule, multiples cannot be smaller than the number they are compared to. 9 is a factor of 225. 225 is a multiple of 9.
225, 450, 675, 900, and 1125.
225
-105
Any multiple of 45 greater than 180, starting with 225.
Common multiples include 75, 150, 225 and so on.
Multiples of 225: 225, 450, 675, 900, 1125, 1350, 1575, 1800, 2025, 2250 Factors of 225: 1,3,5,15,25,75,
The common multiples of 15 and 25 are all multiples of their LCM, which is 75. So, the common multiples are 75, 150, 225, 300, 375, 450, 525, 600, and so on.
75, 150, 225 and so on.
Three multiples of 3 and 25 are: 75, 150, 225.
Since 75 is a multiple of 25, all of its multiples are common.