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) {
    for(int i = 2;i <= Math.sqrt(number);i++){
        if(number%i==0){
            return false;
        }
    }
    return true;
}

}