96.
The number is 64, or 80, or 96 .
No such integer exists. The LCM of 16 and 28 is 112.
It is 64
So 48 is a multiple of 16, so you don't need to worry about 16 (as any number that is a multiple of 48 will be of 16 also). Therefore 96 is the answer
The number is 15.
96
Any multiple of 16 will work, since those are also multiples of 2 and 8.
A number that is a common multiple of 16 and 14 is 112.
80, 96, 112
72.
16 is both a factor and a multiple of itself.
16 + 107 = 123