freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-130-composites-with...

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---
id: 5900f3ee1000cf542c50ff00
challengeType: 5
videoUrl: ''
title: 问题130具有主要repunit属性的复合材料
---
## Description
<section id="description">完全由1组成的数字称为repunit。我们将Rk定义为长度k的重新定位;例如R6= 111111.假设n是正整数且GCDn10= 1则可以证明总是存在一个值k其中Rk可被n整除让An成为k的最小值;例如A7= 6和A41= 5.对于所有素数p&gt; 5p-1可以被Ap整除。例如当p = 41时A41= 5并且40可被5整除。但是也有罕见的复合值这也是正确的;前五个例子是91,259,451,481和703.找到n的前25个复合值之和其中GCDn10= 1n-1可被An整除。 </section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler130()</code>应返回149253。
testString: assert.strictEqual(euler130(), 149253);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler130() {
// Good luck!
return true;
}
euler130();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>