c++ prac prog - 20

#include <iostream.h>
#include <conio.h>

int main()
{
    clrscr();
    unsigned short int n;
    bool prime(0);
    cout << "Enter a positive integer to check if its prime or not: ";
    cin >> n;
    if(n<=1)
        return 1;
    for (int i(2); i<n; i++)
        if(n%i==0)
        {
            prime = 1;
            break;
        }
    if(prime == 0)
        cout << "\nThe no. entered is Prime." << endl;
    else
        cout << "\nThe no. entered is NOT Prime." << endl;
    getch();
    return 0;
}