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