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Fourth prime of the form (10^P + 1)/11, where P is prime. The first seven primes of this form are for P = 5, 7, 19, 31, 53, 67 and 293. [Matson]

 

  Submitted: 2002-05-02 19:41:17;   Last Modified: 2008-01-30 11:28:00.



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