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  1. #include <stdio.h>
  2.  
  3. int isPrime(int num) {
  4. if (num < 2) return 0;
  5. int i;
  6. for (i = 2; i * i <= num; i++)
  7. if (num % i == 0) return 0;
  8. return 1;
  9. }
  10.  
  11. int main() {
  12. int n, count = 0, num = 2;
  13. printf("Enter n: ");
  14. scanf("%d", &n);
  15. printf("First %d prime numbers: ", n);
  16. while (count < n) {
  17. if (isPrime(num)) {
  18. printf("%d ", num);
  19. count++;
  20. }
  21. num++;
  22. }
  23. printf("\n");
  24. return 0;
  25. }
Success #stdin #stdout 0s 5320KB
stdin
5
stdout
Enter n: First 5 prime numbers: 2 3 5 7 11