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NgThanhPhuc

Algorithms_First15PrimeNumber

Apr 26th, 2016
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Java 0.66 KB | None | 0 0
  1. public class First15PrimeNumber {
  2.  
  3.     public static void main(String[] agrs) {
  4.         int flag = 0;
  5.         Scanner sc = new Scanner(System.in);
  6.         System.out.println("Frist 15 Prime Number");
  7.         for (int i = 1; i < 50; i++) {
  8.             if (isPrimeNumber(i)) {
  9.                 System.out.print(i + " ");
  10.                 flag++;
  11.             }
  12.         }
  13.     }
  14.  
  15.     public static boolean isPrimeNumber(int n) {
  16.         int flag = 0;
  17.         for (int i = 1; i <= n; i++) {
  18.             if (n % i == 0) {
  19.                 flag++;
  20.             }
  21.         }
  22.         if (flag == 2) {
  23.             return true;
  24.         }
  25.         return false;
  26.     }
  27.  
  28. }
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