---
id: 5900f5061000cf542c510017
challengeType: 5
title: 'Problem 409: Nim Extreme'
videoUrl: ''
localeTitle: 'Problem 409: Nim Extreme'
---

## Description
undefined

## Instructions
<section id="instructions">
</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: ''
    testString: 'assert.strictEqual(euler409(), 253223948, "<code>euler409()</code> should return 253223948.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function euler409() {
  // Good luck!
  return true;
}

euler409();

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>