# Project Euler - Question 1

I'm playing around with Project Euler to increase my C# skills. The first question in is:

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

Find the sum of all the multiples of 3 or 5 below 1000.

Here is my solution in a C# console application:

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ProjectEuler1 { class Program { static void Main(string[] args) { int result = 0; for (int i = 1; i < 1000; i++) { if (((i % 3) == 0 || ((i % 5) == 0))) { result += i; } } Console.WriteLine("answer is:" + result); Console.ReadLine(); } } }