OJ Board

why I am getting RE?
the prob no is 583.
here is my code
#include<stdio.h>
#include<math.h>
int main()
{
int number,i,temp;
while(scanf("%d",&number)==1){
if(number<0)
{
printf("%d = -1 x ",number);
number=number*-1;
}
if(number==0)
break;
else
{
printf("%d = ",number);
}
for(i=2;i*i ...