#include <bits/stdc++.h>
using namespace std;

bool is_prime(int x) {
  for (int i = 2; i * i <= x; i++)
    if (x % i == 0)
      return 0;
  return 1;
}

int main() {
  freopen("prime.out", "w", stdout);
  ios::sync_with_stdio(false);
  for (int i = 2; i <= 100000000; i++)
    if (is_prime(i))
      cout << i << endl;
  fclose(stdout);
  return 0;
}

所需时间较长，请耐心等待。结果是这样的：

$\tiny{55,528 kb}$