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Product of 100 factorials (Posted on 2017-09-07) Difficulty: 4 of 5
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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Hints/Tips re: when it works -- computer exploration please edit | Comment 5 of 8 |
(In reply to when it works -- computer exploration by Charlie)

"that product divided by n/2"     should be "that product divided   by ( n/2)! . 

Edited on September 8, 2017, 4:04 am
  Posted by Ady TZIDON on 2017-09-08 04:03:40

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