Calculate factorials in C#

Question

How can you calculate large factorials using C#? Windows calculator in Win 7 overflows at Factorial (3500). As a programming and mathematical question I am interested in kno

Answer 1

You need a special big-number library for this. This link introduces the System.Numeric.BigInteger class, and incidentally has an example program that calculates factorials. But don't use the example! If you recurse like that, your stack will grow horribly. Just write a for-loop to do the multiplication.