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---
id: 5900f3711000cf542c50fe84
title: 问题5最小的倍数
challengeType: 5
videoUrl: ''
---
# --description--
2520是可以除以1到10中的每个数字而没有任何余数的最小数字。从1到`n`所有数字均可被整除的最小正数是多少?
# --hints--
`smallestMult(5)`应该返回60。
```js
assert.strictEqual(smallestMult(5), 60);
```
`smallestMult(7)`应该返回420。
```js
assert.strictEqual(smallestMult(7), 420);
```
`smallestMult(10)`应返回2520。
```js
assert.strictEqual(smallestMult(10), 2520);
```
`smallestMult(13)`应返回360360。
```js
assert.strictEqual(smallestMult(13), 360360);
```
`smallestMult(20)`应该返回232792560。
```js
assert.strictEqual(smallestMult(20), 232792560);
```
# --solutions--