18 36 54 72 90 108 126 144 162 180 198 216 234 252 270 288 306 324
All multiples of 36 are multiples of 18.
18 and all the multiples of 18.
All multiples of 18 are divisible by 9. Not all multiples of 9 are divisible by 18.
No. No one can. Multiples are infinite.
630 and all the multiples of 630.
They're all multiples of 9.
All multiples of 90.
They are: 9 18 27 36 45 54 and 63
18 and all the multiples of 18.
it is 18. 18 is a multiple of all three numbers. multiples of 3: 3,6,9,12,15,18... multiples of 6: 6,12,18... multiples of 9: 9, 18...18
3: 3, 6, 9, ... 6: 6, 12, 18, ... 18: 18, 36, 54, ... The lcm(3, 6, 18) = 18, so the multiples of 18 are common multiples of all of them.
All multiples of 18, which is an infinite number.