The book is now available! 1973
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
Single Curio View:   (Seek other curios for this number)

 

The least prime p that becomes composite if we add or subtract any power of 2 less than p/2. (The next few are 3181, 3967, 4889, 8363, 8923, ...) [TT08]. [Caldwell]

 

  Submitted: 2008-02-25 08:03:09;   Last Modified: 2009-03-07 23:01:20.



Prime Curios! © 1999-2009 (all rights reserved)