--- id: 5900f4651000cf542c50ff77 challengeType: 5 title: 'Problem 248: Numbers for which Euler’s totient function equals 13!' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler248(), 23507044290, "euler248() should return 23507044290.");' ``` ## Challenge Seed ```js function euler248() { // Good luck! return true; } euler248(); ``` ## Solution ```js // solution required ```
euler248()