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freeCodeCamp/curriculum/challenges/english/08-coding-interview-prep/project-euler/problem-266-pseudo-square-root.english.md
Oliver Eyton-Williams f1c9b08cf3 fix(curriculum): add isHidden: false to challenges
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2020-05-25 16:25:19 +05:30

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---
id: 5900f4771000cf542c50ff89
challengeType: 5
isHidden: false
title: 'Problem 266: Pseudo Square Root'
forumTopicId: 301915
---
## Description
<section id='description'>
The divisors of 12 are: 1,2,3,4,6 and 12.
The largest divisor of 12 that does not exceed the square root of 12 is 3.
We shall call the largest divisor of an integer n that does not exceed the square root of n the pseudo square root (PSR) of n.
It can be seen that PSR(3102)=47.
Let p be the product of the primes below 190.
Find PSR(p) mod 1016.
</section>
## Instructions
<section id='instructions'>
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler266()</code> should return 1096883702440585.
testString: assert.strictEqual(euler266(), 1096883702440585);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler266() {
// Good luck!
return true;
}
euler266();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>