Project Euler 1 - Multiples of 3 & 5
Project Euler 1 - Multiples of 3 & 5
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.
Official link: https://projecteuler.net/problem=1