The first three multiples of 16 are 16, 32 and 48. For them to be common, they need to be compared to another set of multiples.
48,96,and?
16, 32, 48
48, 96 and 144
144, 288, 432
8 16 24
400, 800, 1200
8, 16, 24
8, 16, 24
48, 96, 144
144, 288, 432
144, 288, 432