General.cs, C# - rextester

General.cs

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Solution
    {
        public int number;
        
        public int ReturnFactorial(int n)
        {
            if(n == 1)
                return n;
            return n * ReturnFactorial(n -1);
        }
        
        
        public bool IsPrime(int number)
        {
            if(number == 1)
                return false;
            return IsPrime(number,number -1 );
        }
        
        private bool IsPrime(int number,int divider)
        {
            if(divider == 1)
                return true;
            return ((number % divider != 0) && IsPrime(number,divider - 1));
        }
    }
    
    public class Program
    {
        public static void Main(string[] args)
        {
            Solution sl = new Solution();
            //Your code goes here
            Console.WriteLine("Hello, world!"+sl.ReturnFactorial(4)+" : ");
            for(int i = 1; i< 100; i++)
            {
                if(sl.IsPrime(i))
                    Console.Write(i+", ");
            }
            
        }
        
    }
}


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