You mean like 28? 2, 4, 7 and 14 The 4 factors of 6 are 1, 2, 3, and 6.
The 4 factors of 8 are 1, 2, 4, and 8.
The 4 factors of 10 are 1, 2, 5, and 10.
The 4 factors of 14 are 1, 2, 7, and 14.
The 4 factors of 15 are 1, 3, 5, and 15.
The 4 factors of 21 are 1, 3, 7, and 21.
The 4 factors of 22 are 1, 2, 11, and 22.
The 4 factors of 26 are 1, 2, 13, and 26.
The 4 factors of 27 are 1, 3, 9, and 27.
24
25
The answer is 25 because it has the factors 1,5,25! :)
The square of any prime number has exactly three factors: 22, 32, 52, etc.
I found 105,63 and 27
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.
25
The answer is 25 because it has the factors 1,5,25! :)
The square of any prime number has exactly three factors: 22, 32, 52, etc.
4, 9, 25
27
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
105 is one such number.
I found 105,63 and 27
How about 30 or 105