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                           39305 0634124102 2328695670 3455542737 1542904833
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The second Cullen prime: 141 * 2141 + 1. A Cullen prime of the form p*2p+1, where p is prime, has never been found.

 

  Submitted: 2006-09-27 15:31:45;   Last Modified: 2008-08-01 07:48:36.



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