--- id: 5900f40d1000cf542c50ff1f challengeType: 5 title: 'Problem 160: Factorial trailing digits' videoUrl: '' localeTitle: 问题160:因子尾随数字 --- ## Description 对于任何N,让f(N)为N!中尾随零之前的最后五位数。例如,9! = 362880所以f(9)= 36288 10! = 3628800所以f(10)= 36288 20! = 2432902008176640000所以f(20)= 17664查找f(1,000,000,000,000) ## Instructions ## Tests ```yml tests: - text: euler160()应返回16576。 testString: 'assert.strictEqual(euler160(), 16576, "euler160() should return 16576.");' ``` ## Challenge Seed ```js function euler160() { // Good luck! return true; } euler160(); ``` ## Solution ```js // solution required ```
euler160()