69 lines
1.4 KiB
Markdown
69 lines
1.4 KiB
Markdown
---
|
||
id: 5900f36f1000cf542c50fe82
|
||
challengeType: 5
|
||
videoUrl: ''
|
||
localeTitle: 问题3：最大素数
|
||
---
|
||
|
||
## Description
|
||
<section id="description">
|
||
13195的主要因子是5、7、13和29。
|
||
给定<code>数字</ code>的最大素数是多少？
|
||
</section>
|
||
|
||
## Instructions
|
||
<section id="instructions">
|
||
</section>
|
||
|
||
## Tests
|
||
<section id='tests'>
|
||
|
||
```yml
|
||
tests:
|
||
- text: <code>largestPrimeFactor(2)</code>应该返回2。
|
||
testString: assert.strictEqual(largestPrimeFactor(2), 2);
|
||
- text: <code>largestPrimeFactor(3)</code>应该返回3。
|
||
testString: assert.strictEqual(largestPrimeFactor(3), 3);
|
||
- text: <code>largestPrimeFactor(5)</code>应该返回5。
|
||
testString: assert.strictEqual(largestPrimeFactor(5), 5);
|
||
- text: <code>largestPrimeFactor(7)</code>应该返回7。
|
||
testString: assert.strictEqual(largestPrimeFactor(7), 7);
|
||
- text: <code>largestPrimeFactor(13195)</code>应该返回29。
|
||
testString: assert.strictEqual(largestPrimeFactor(13195), 29);
|
||
- text: <code>largestPrimeFactor(600851475143)</code>应该返回6857。
|
||
testString: assert.strictEqual(largestPrimeFactor(600851475143), 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>
|