- #1
SELFMADE
- 80
- 0
What is the largest prime factor of the number 600851475143 ?
My attempt:
The machine is just not running this code
What did I do wrong?
My attempt:
Code:
#include <stdafx.h>
int main()
{
int num1, num2, num3, num4, lrgprime, sum;
lrgprime=num2=num4=sum=0;
for (num1=2; num1<300425737572; num1++) {
num2=600851475143%num1;
if (num2==0) {
for (num3=2; num3<=num1; num3++) {
num4=num1%num3;
if (num4==0 && num1==num3 && num1>=lrgprime)
lrgprime=num1;
}
}
}
printf("This is the largest prime factor: %d", lrgprime);
return 0;
}
The machine is just not running this code
What did I do wrong?