题解 | #判断质数#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Main main = new Main();
        Scanner scan = new Scanner(System.in);
        int number = scan.nextInt();
        System.out.println(main.isPrimeNumber(number));
    }

    public Boolean isPrimeNumber(int number) {

        int num = 0;

        for(int i = 1;i <= number;i++){
            if(number%i==0){
                num += 1;
            }
        }

        if(num==2){
            return true;
        }
        
        return false;
    }
}