freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/project-euler/problem-3-largest-prime-fac...

65 lines
1.3 KiB
Markdown

---
id: 5900f36f1000cf542c50fe82
challengeType: 5
title: 'Problem 3: Largest prime factor'
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
<section id='tests'>
```yml
tests:
- text: ''
testString: 'assert.strictEqual(largestPrimeFactor(2), 2, "<code>largestPrimeFactor(2)</code> should return 2.");'
- text: ''
testString: 'assert.strictEqual(largestPrimeFactor(3), 3, "<code>largestPrimeFactor(3)</code> should return 3.");'
- text: ''
testString: 'assert.strictEqual(largestPrimeFactor(5), 5, "<code>largestPrimeFactor(5)</code> should return 5.");'
- text: ''
testString: 'assert.strictEqual(largestPrimeFactor(7), 7, "<code>largestPrimeFactor(7)</code> should return 7.");'
- text: ''
testString: 'assert.strictEqual(largestPrimeFactor(13195), 29, "<code>largestPrimeFactor(13195)</code> should return 29.");'
- text: ''
testString: 'assert.strictEqual(largestPrimeFactor(600851475143), 6857, "<code>largestPrimeFactor(600851475143)</code> should return 6857.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function largestPrimeFactor(number) {
// Good luck!
return true;
}
largestPrimeFactor(13195);
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>