9,18,27,36,45,54,63,72,81,90,99
72.
63
Just 63.
Just 63.
36 and 72
72.
itzz 63
Just 72. It was found by multiplying 8 and 9. --------------------------------------- The common multiples of two numbers are the multiples of their lowest common multiple. LCM(8, 9) = 72 The common multiples of 8 and 9 are 72, 144, 216, ... The only common multiples less than 100 are 72 only.
Just 49
99 is your only one
45, 54