The book is now available! 11111...11111 (25-digits)
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                                                 11111 1666116161 1666111111
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     1 1 1 1 1
     1 6 6 6 1
     1 6 1 6 1
     1 6 6 6 1
     1 1 1 1 1
Ignoring this square-congruent prime of order 6 minus 1 is devilishly difficult!

 

  Submitted: 2008-01-21 00:01:13;   Last Modified: 2008-01-30 11:28:00.



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