A number with exactly five factors is a number that is a
Prime number raised to the fourth power (p
4). The factors are 1, p, p
2, p
3, and p
4.
Example:
The 5 factors of 5
4 = 625 are 1, 5, 25, 125, and 625.
The 5 factors of 7
4 = 2401 are 1, 7, 49, 343, and 2401.
The 5 factors of 11
4 = 14641 are 1, 11, 121, 1331, and 14,641.