100.....1,2,4,5,10,20,25,50,100
In that range, only 100 has exactly 9 factors.
4, 9, 25 and 49.
36 has 9 factors.
prime squares 4, 9, 25, 49
36. (Factors are 1, 2, 3, 4, 6, 9, 12, 18 and 36.)
4 (4,2,1) 9 (9,3,1) 25 (25,5,1) 49 (49,7,1) i think that is it...
100 has 9 factors: 1, 2, 4, 5, 10, 20, 25, 50 and 100.
1,2,4,5,10,20,25,50,100 9 factors in total.
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
9 The three factors are 1, 3, and 9. 9 The three factors are 1, 3, and 9.
36 has nine factors.