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Jan 18th, 2017
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  1.  
  2. package ciklusokgyakorlas;
  3.  
  4.  
  5. public class CiklusokGyakorlas {
  6.  
  7.  
  8. public static void main(String[] args) {
  9.  
  10. //Szám osztói
  11.  
  12. int x = 27;
  13.  
  14. //legkisebb
  15. for ( int i = 2; i <= x-1; i++ ) {
  16. if ( x % i == 0 ) {
  17. System.out.println(i);
  18. break;
  19. }
  20. }
  21.  
  22. //legkisebb v2.
  23. int i = 2;
  24. while (x % i != 0) {
  25. i++;
  26. }
  27. if (x == i) {
  28. System.out.println("prím");
  29. } else {
  30. System.out.println(i);
  31. }
  32.  
  33. /*
  34. //Opt. változat
  35.  
  36. for ( int i = 2; i*i <= x; i++ ) {
  37. if ( x % i == 0 ) {
  38. System.out.println(i);
  39. System.out.println(x/i);
  40. }
  41. }
  42. */
  43. }
  44.  
  45. }
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