Prime_Number

  Scanner keyboard = new Scanner(System.in);
        System.out.print("Number: ");
        int n = Integer.parseInt(keyboard.nextLine());
        if (n == 1) {
            System.out.println("not prime");
        }
    for (int i = 2; i <= n / 2; i++){
        if (n % i == 0){
            System.out.println("Not prime");
            break;
        }
        if (n % i != 0){
            System.out.println("Prime");
            break;
        }
    }

    }
}