--- id: 5900f3e61000cf542c50fef9 challengeType: 5 title: 'Problem 122: Efficient exponentiation' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests
```yml tests: - text: '' testString: 'assert.strictEqual(euler122(), 1582, "euler122() should return 1582.");' ```
## Challenge Seed
```js function euler122() { // Good luck! return true; } euler122(); ```
## Solution
```js // solution required ```