Finding largest prime number out of 600851475143?
I'm trying to solve problem 3 from http://projecteuler.net . However, when I run thing program nothing prints out. What am I doing wrong? Problem: What is the largest prime factor of the number 600851475143 ? public class project_3 { public boolean prime(long x) // if x is prime return true { boolean bool = false; for(long count=1L; count<x; count++) { if( x%count==0 ) { bool = false; break; } else { bool = true; } } return bool; } public static void main(String[] args) { long ultprime = 0L; // largest prime value project_3 object = new project_3(); for(long x=1L; x <= 600851475143L; x++) { if