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freeCodeCamp/curriculum/challenges/portuguese/08-coding-interview-prep/project-euler/problem-123-prime-square-remainders.portuguese.md

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---
id: 5900f3e71000cf542c50fefa
challengeType: 5
title: 'Problem 123: Prime square remainders'
videoUrl: ''
localeTitle: 'Problema 123: Resíduos quadrados principais'
---
## Description
<section id="description"> Seja pn o nono primo: 2, 3, 5, 7, 11, ..., e seja r o resto quando (pn 1) n + (pn + 1) n é dividido por pn2. Por exemplo, quando n = 3, p3 = 5 e 43 + 63 = 280 ≡ 5 mod 25. O menor valor de n para o qual o restante excede 109 é 7037. Encontre o menor valor de n para o qual o restante excede primeiro 1010 </section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler123()</code> deve retornar 21035.
testString: 'assert.strictEqual(euler123(), 21035, "<code>euler123()</code> should return 21035.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler123() {
// Good luck!
return true;
}
euler123();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>