1 | import java.util.Scanner; |
2 |
3 | public class Prime { |
4 |
5 | public static void main(String[] args) { |
6 | // TODO Auto-generated method stub |
7 | int temp, num; |
8 | boolean isPrime = true; |
9 | Scanner in = new Scanner(System.in); |
10 | num = in.nextInt(); |
11 | in.close(); |
12 | for (int i = 2; i<= num/2; i++) { |
13 | temp = num%i; |
14 | if (temp == 0) { |
15 | isPrime = false; |
16 | break; |
17 | } |
18 | } |
19 | if(isPrime) |
20 | System.out.println(num + "number is prime"); |
21 | else |
22 | System.out.println(num + "number is not a prime"); |
23 | |
24 | |
25 | } |
26 |
27 | } |
Output:
445
445number is not a prime
445number is not a prime