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101^101-100^100+99^99-98^98+...-2^2+1^1 is prime. Note that 101 is the only known odd prime p, such that p^p-(p-1)^(p-1)+...-2^2+1^1 is prime. [Firoozbakht]

 

  Submitted: 2003-08-09 07:14:10;   Last Modified: 2008-01-30 11:28:00.



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