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Dec 13th, 2018
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  1. bool isPrime(int num) {
  2. for (int i = 2; i < num; i++) {
  3. for (int j = 0; j < num; j++) {
  4. if (i*j == num) {
  5. return false;
  6. }
  7. }
  8. }
  9. if (num == 1) {
  10. return false;
  11. }
  12. return true;
  13. }
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