56 lines
1.0 KiB
Markdown
56 lines
1.0 KiB
Markdown
---
|
||
id: 5900f4291000cf542c50ff3a
|
||
challengeType: 5
|
||
title: 'Problem 187: Semiprimes'
|
||
videoUrl: ''
|
||
localeTitle: 问题187：半致
|
||
---
|
||
|
||
## Description
|
||
<section id="description">复合是包含至少两个素因子的数字。例如，15 = 3×5; 9 = 3×3; 12 = 2×2×3。 <p>在30以下有十种复合材料恰好包含两个，不一定是不同的主要因素：4,6,9,10,14,15,21,22,25,26。 </p><p>有多少复合整数，n <108，恰好有两个，不一定是不同的素因子？ </p></section>
|
||
|
||
## Instructions
|
||
<section id="instructions">
|
||
</section>
|
||
|
||
## Tests
|
||
<section id='tests'>
|
||
|
||
```yml
|
||
tests:
|
||
- text: <code>euler187()</code>应该返回17427258。
|
||
testString: 'assert.strictEqual(euler187(), 17427258, "<code>euler187()</code> should return 17427258.");'
|
||
|
||
```
|
||
|
||
</section>
|
||
|
||
## Challenge Seed
|
||
<section id='challengeSeed'>
|
||
|
||
<div id='js-seed'>
|
||
|
||
```js
|
||
function euler187() {
|
||
// Good luck!
|
||
return true;
|
||
}
|
||
|
||
euler187();
|
||
|
||
```
|
||
|
||
</div>
|
||
|
||
|
||
|
||
</section>
|
||
|
||
## Solution
|
||
<section id='solution'>
|
||
|
||
```js
|
||
// solution required
|
||
```
|
||
</section>
|