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One and only (Posted on 2016-04-28) Difficulty: 2 of 5
There is only one prime p such that p! is p digits long.

Find it and prove its uniqueness.

  Submitted by Ady TZIDON    
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  Subject Author Date
re: spoilerCharlie2016-04-28 10:39:05
Solutioncomputer assisted solutionCharlie2016-04-28 10:34:13
spoilerxdog2016-04-28 09:52:53
Possible approachbroll2016-04-28 08:49:47
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