60, 72, 84, 90, and 96 each have 12 factors.
49 has exactly 3 factors (1, 7, and 49) and is greater than 40 and less than 60.
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
105=3*5*7it has to be only three factors and they are all prime105
12
48
The smallest number that has exactly three factors is 4.
24
49 has exactly 3 factors (1, 7, and 49) and is greater than 40 and less than 60.
The answer is 25 because it has the factors 1,5,25! :)
25
The square of any prime number has exactly three factors: 22, 32, 52, etc.
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
4, 9, 25
27
105 is one such number.
I found 105,63 and 27
How about 30 or 105