CodeWarsKata: Factorial Decomposition

CodeWasKata_FactorialDecomposition_06262018.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CodeWarsKata_FactorialDecomposition_06262018
{
    class Program
    {
        static void Main(string[] args)
        {
            Decomp(6);
        }

        public static string Decomp(int n)
        {
            string answer = "";
            int[] factorialArr = new int[n];

            for (int i = 1; i <= n; i++)
            {
                factorialArr[i - 1] = i;
            }

            foreach (var item in factorialArr)
            {
                Console.Write(item);
            }

            Console.WriteLine($"Answer: {answer}");
            Console.ReadKey();
            return answer;
        }
    }
}