The book is now available! 27611
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
Single Curio View:   (Seek other curios for this number)

 

In 1990, Balog proved there are arbitrarily large sets of primes for which the means of each pair of entries is a distinct prime. For example,
{71, 1163, 1283, 2663, 4523, 5651, 9311, 13883, 13931, 14423, 25943, 27611}
Granville believes there may be sets like this of infinite length!

 

  Submitted: 2008-05-18 18:26:01;   Last Modified: 2013-03-31 18:24:34.



Prime Curios! © 2000-2017 (all rights reserved)