--- id: 5900f5241000cf542c510037 challengeType: 5 title: 'Problem 440: GCD and Tiling' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler440(), 970746056, "euler440() should return 970746056.");' ``` ## Challenge Seed ```js function euler440() { // Good luck! return true; } euler440(); ``` ## Solution ```js // solution required ```
euler440()