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The only known Cullen prime which is also a generalized Fermat prime: 18496*2^18496+1 = 289*2^18502+1 = (17*2^9251)^2+1. [Jeong]

 

  Submitted: 2010-01-19 22:30:21;   Last Modified: 2010-01-21 11:19:17.



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