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freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-303-multiples-with-small-digits.md
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---
id: 5900f49b1000cf542c50ffae
title: 'Problem 303: Multiples with small digits'
challengeType: 5
forumTopicId: 301957
---
# --description--
For a positive integer n, define f(n) as the least positive multiple of n that, written in base 10, uses only digits ≤ 2.
Thus f(2)=2, f(3)=12, f(7)=21, f(42)=210, f(89)=1121222.
Also, .
Find .
# --hints--
`euler303()` should return 1111981904675169.
```js
assert.strictEqual(euler303(), 1111981904675169);
```
# --seed--
## --seed-contents--
```js
function euler303() {
return true;
}
euler303();
```
# --solutions--
```js
// solution required
```