the factors of one hundred are 100, 1,2, 50,25,4, 20,5,10 and all the prime numbers below one hundred are 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,59,61,67,71,73,79,83,89,97
Nine factors.
100 has nine factors.
eight and one hundred and seven
eight hundred nineteen
I guess it would be 45,63,75,99 they each have 6 factors
In that range, only 100 has exactly 9 factors.
One hundred and twenty
3, 9, 13, 39
1, 5, 101, 505
Just 1.
the number 90 has the most factors under 100
60, 72, 84, 90 and 96 each have twelve factors.