---
id: a3bfc1673c0526e06d3ac698
title: Sum All Primes
isRequired: true
challengeType: 5
videoUrl: ''
localeTitle: Sum All Primes
---

## Description
<section id="description">将所有素数加起来并包括所提供的数字。素数被定义为大于1的数，并且只有两个除数，一个和一个除数。例如，2是素数，因为它只能被1和2整除。提供的号码可能不是主要的。如果卡住，请记得使用<a href="https://www.freecodecamp.org/forum/t/how-to-get-help-when-you-are-stuck-coding/19514" target="_blank">Read-Search-Ask</a> 。尝试配对程序。编写自己的代码。 </section>

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

## Tests
<section id='tests'>

```yml
tests:
  - text: <code>sumPrimes(10)</code>应该返回一个数字。
    testString: 'assert.deepEqual(typeof sumPrimes(10), "number", "<code>sumPrimes(10)</code> should return a number.");'
  - text: <code>sumPrimes(10)</code>应该返回17。
    testString: 'assert.deepEqual(sumPrimes(10), 17, "<code>sumPrimes(10)</code> should return 17.");'
  - text: <code>sumPrimes(977)</code>应该返回73156。
    testString: 'assert.deepEqual(sumPrimes(977), 73156, "<code>sumPrimes(977)</code> should return 73156.");'

```

</section>

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

<div id='js-seed'>

```js
function sumPrimes(num) {
  return num;
}

sumPrimes(10);

```

</div>



</section>

## Solution
<section id='solution'>

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