Several multiplication tables, (use do while) Learn programming C#

using System;
public class exercise33
{
    public static void Main()
    {
        int num, multiplier;

        num = 2;

        do
        {

            multiplier = 1;
            do
            {
                Console.WriteLine("{0} x {1} = {2}",
                    num, multiplier, num * multiplier);
                multiplier++;
            }
            while (multiplier <= 10);

            Console.WriteLine();
            num++;

        } while (num <= 6);
    }
}