This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
---
id: 5900f48f1000cf542c50ffa1
title: 问题290：数字签名
challengeType: 5
videoUrl: ''
# --hints--
`euler290()`应该返回20444710234716470。
```js
assert.strictEqual(euler290(), 20444710234716470);
```
# --solutions--