Question

Which list contains only composite numbers?

12, 37, 54, 80, 117
26, 53, 66, 84, 96
31, 44, 57, 64, 92
6, 24, 51, 72, 105

Answer 1

the forth row

Explanation

12,54,80,6,24,51,72,64,44,117,105,72,57 are all composite.