The prime factors of 13195 are 5, 7, 13 and 29 (5 * 7 * 13 * 29 = 13195), and the largest prime factor is 29. Implement a simple web server that can return the largest prime factor of the given number.
input range: 1~1000000
- Input value is not integer.
- Input value range is not 1~1,000,000