7. 소수 판별

package _7;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
				
		Scanner sc = new Scanner(System.in);
		int num = sc.nextInt();
		
		for (int i = 2; i < num ; i++) {
			if(num % i == 0) {
				System.out.println("소수가 아님");
				return;
			}
		}
		System.out.println("소수임");		
	}
	
}