freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-41-pandigital-prime.md

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---
id: 5900f3951000cf542c50fea8
challengeType: 5
videoUrl: ''
2020-10-01 15:54:21 +00:00
title: 问题41Pandigital prime
---
## Description
<section id="description">我们将说<i>n</i>数字是pandigital如果它使用所有数字1到<i>n</i>恰好一次。例如2143是一个4位数的pandigital也是素数。什么是最大的<i>n长</i>数字pandigital素数 </section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>pandigitalPrime(4)</code>应该返回4231。
testString: assert(pandigitalPrime(4) == 4231);
- text: <code>pandigitalPrime(7)</code>应该返回7652413。
testString: assert(pandigitalPrime(7) == 7652413);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function pandigitalPrime(n) {
// Good luck!
return n;
}
pandigitalPrime(7);
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>