using System;

class Program
{
    static int FactorialRecursivo(int n)
    {
        if (n == 0)
            return 1;
        else
            return n * FactorialRecursivo(n - 1);
    }

    static void Main()
    {
        int numero = 5;
        Console.WriteLine("Factorial recursivo de " + numero + " es: " + FactorialRecursivo(numero));
    }
}

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