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 the given limit.
23
| Published: | Friday, 5th October 2001, 12:00 pm |
| Difficulty rating: | 5% |
| Overview (PDF): | problem 1 |
| Forum problem: | problem 1 |