5.
1) 1, 2, 3, 5, 6, 10, 15, 30
2) 1, 2, 3, 4, 6, 12
3) 1, 23
4) 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
7.
1) 16, 32, 48, 64
2) 12, 24, 36, 48
3) 150, 300, 450, 600
4) 47, 94, 141, 188
8.
1) 28, 36, 48, 64, 92, 100, 108
2) 28, 64, 92, 100,
14.
23, 46, 69, 92