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Re: 2^p+3

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  • djbroadhurst
    A little reminder: if you find a PRP of the form 2^n-3 or 2^n+3 (for any n, not just a prime) you may have prospects of a BLS (which failing a KP) proof by
    Message 1 of 22 , May 3, 2002
      A little reminder: if you find a PRP of the form
      2^n-3 or 2^n+3 (for any n, not just a prime) you may
      have prospects of a BLS (which failing a KP) proof
      by looking at work on factorization of Phi(2,k),
      since, in *either* case, *both* N-1 and N+1 are
      algebraically factorizable into these intensively
      studied base-2 cyclotomic numbers:
      http://www.cerias.purdue.edu/homes/ssw/cun/index.html
      Apologies to those for whom this is blindingly obvious.
      David Broadhurst
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