Answer:
Explanation:
1 - 50
Primes: 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, and 47
Not Primes: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50
At least 8 factors:
24 - 1, 2, 3, 4, 6, 8, 12, 24
30 - 1, 2, 3, 5, 6, 10, 15, 30
36 - 1, 2, 3, 4, 6, 8, 12, 18, 36
40 - 1, 2, 4, 5, 8, 10, 20, 40
42 - 1, 2, 3, 6, 7, 14, 21, 42
48 - 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Let me know if I've missed any!