Category: Java Programs

import java.util.Scanner;

public class FindPrimeNumbers {
    public static void main(String[] args) {
        int digit;
        boolean isPrimeNumber = true;
        Scanner userInput = new Scanner(System.in);
        System.out.println("Enter a digit to check that it is a prime number or not: ");
        digit = userInput.nextInt();
        for (int i = 2; i < digit; i++) {
            if(digit % i == 0){
                isPrimeNumber = false;
                break;
            }
        }

        if(isPrimeNumber){
            System.out.println(digit+" is a prime number");
        }else{
            System.out.println(digit+" is not a prime number");
        }
    }
}