003.cpp File Reference

Find the largest prime factor of a composite number. More...

#include <iostream>
#include <cmath>

Go to the source code of this file.

Classes
class	largeN
	Do square root of a large number. More...
Functions
int	main ()
Variables
unsigned	ten = 1e4

---

Detailed Description

Find the largest prime factor of a composite number.

The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143?

Definition in file 003.cpp.

---

Variable Documentation

unsigned ten = 1e4

split the number to 4-digits

Definition at line 14 of file 003.cpp.