These numbers have exactly 6 factors
12, 18, 20, 28, 32, 44, 45, 50, 52, 63, 68, 75, 76, 92, 98, 99
These numbers have exactly 6 prime factors
64, 96
12, 18, 20, 28, 32, 44, 45, 50, 52, 63, 68, 75, 76, 92, 98, 99
These numbers have exactly 6 prime factors
64, 96