nested loops in c++
#include <iostream>
using namespace std;
int main () {
int i, j;
for(i = 2; i<100; i++) {
for(j = 2; j <= (i/j); j++)
if(!(i%j)) break; // if factor found, not prime
if(j > (i/j)) cout << i << " is prime\n";
}
return 0;
}