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Nov 23rd, 2017
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  1. #include <stdio.h>
  2.  
  3. void primefactor(int number) {
  4. // 아래 코드를 추가 하여 prime factor가 출력하시오.
  5. int i = 1;
  6. int j = 1;
  7. if(number == 1)
  8. {
  9. printf(" \n");
  10. return;
  11. }
  12. for(i = 2; i <= number; i++)
  13. {
  14. if(number % i == 0)
  15. {
  16. for(j = 2; j <= i; j++)
  17. {
  18. if(j < i)
  19. {
  20. if(i % j == 0)
  21. {
  22. break;
  23. }
  24. }
  25. else
  26. printf("%d ",i);
  27. }
  28. }
  29. }
  30. printf(" \n");
  31. return;
  32. }
  33.  
  34. int main (void)
  35. {
  36. primefactor(1);
  37. primefactor(2);
  38. primefactor(30);
  39. primefactor(75);
  40. return 0;
  41. }
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