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Write a program to take a number and display highest factor for that number. 

    1:  using System;
   2:  namespace st
   3:  {
   4:      class HighestFactor
   5:      {
   6:          static void Main()
   7:          {
   8:              Console.Write("Enter a number :");
   9:              string input = Console.ReadLine();
  10:              int num = Int32.Parse(input);
  11:              for (int i = num / 2; i > 0; i--)
  12:              {
  13:                 if (num % i == 0)
  14:                 {
  15:                   Console.WriteLine("Highest factor for {0} is {1}", num, i);
  16:                   break;
  17:                 }
  18:              } // for
  19:          } // main
  20:     } // class
  21:  } // namespace




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