Problem 230. Project Euler: Problem 1, Multiples of 3 and 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 the input value.
Thank you to Project Euler Problem 1
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Aaron
on 11 Sep 2016
Very well thought problem. Took me a few minutes to see why the "simplest" solution was incorrect. Well posed problem.
Owen
on 11 Jul 2022
Cool Problem!
Hrishikesh Patil
on 19 Feb 2025 at 16:42
nicee
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Project Euler I
- 10 Problems
- 852 Finishers
- Project Euler: Problem 1, Multiples of 3 and 5
- Project Euler: Problem 2, Sum of even Fibonacci
- Project Euler: Problem 3, Largest prime factor
- Project Euler: Problem 4, Palindromic numbers
- Project Euler: Problem 5, Smallest multiple
- Project Euler: Problem 6, Natural numbers, squares and sums.
- Project Euler: Problem 7, Nth prime
- Project Euler: Problem 8, Find largest product in a large string of numbers
- Project Euler: Problem 9, Pythagorean numbers
- Project Euler: Problem 10, Sum of Primes
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