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Categories / C# Tutorial / Data Type

 

Calculate with ulong

using System;     class MainClass     {         static void Main(string[] args)         {             ulong loopCount = 0;             ulong factorial = 1;             loopCount = 23;             for( ulong i = loopCount; i > 0; i-- )             {                 factorial *= i;             }             Console.WriteLine( "{0}! = {1}", loopCount, factorial );         }     }