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Calculating Factorial with Recursion

Calculating Factorial with Recursion

Learn about the factorial numbers, their representation, and the creation of a C# function using recursion, demonstrating the handling of overflows and exceptions.

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The factorial of 55 is 120120 because factorials are calculated by multiplying the starting number by one less than itself, then by one less again, and so on, until the number is reduced to 11. An example can be seen here:

The factorial function is defined for non-negative integers only, i.e., for 00, 11, 22, ...