c++ cw prog - prime no. list

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

void main()
{
    clrscr();
    short unsigned int enu(1);
    bool prime;
    cout << "List of prime nos. from 1-100.\n\n";
    for (int j(2); j<=100; j++)
    {
        prime = 0;
        for (int i(2); i<j; i++)
        {
            if(j % i == 0)
            {
                prime = 1;
                break;
            }
        }
        if(prime == 0)
        {
            cout << enu << ".\t" << j << endl;
            enu++;
        }
    }
    getch();
}