perplexus.info :: Just Math : Product of 100 factorials

Product of 100 factorials (Posted on 2017-09-07)

Show that (1!*2!*3!*4!* ... 100!)/50! is a square number.

No Solution Yet Submitted by Ady TZIDON

Rating: 3.5000 (2 votes)

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re: Solution

| Comment 2 of 8 |

(In reply to Solution by chun)

Nice, chun! You made this difficulty 4 problem look easy.

Posted by Steve Herman on 2017-09-07 09:42:44

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