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desislava_topuzakova

Check Prime

Jan 14th, 2018
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Java 0.53 KB | None | 0 0
  1. import java.util.Scanner;
  2.  
  3. public class CheckPrime {
  4.     public static void main(String[] args) {
  5.         Scanner scanner=new Scanner(System.in);
  6.         int n = Integer.parseInt(scanner.nextLine());
  7.         boolean prime = true;
  8.         for (int i = 2; i <= Math.sqrt(n); i++) {
  9.             if (n % i == 0 && n!=0) {
  10.                 prime = false;
  11.                 break;
  12.             }
  13.         }
  14.         if (prime&&(n!=0&&n!=1)&&n>0) { System.out.println("Prime"); }
  15.         else System.out.println("Not prime");
  16.  
  17.     }
  18. }
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