The book is now available! 33333...33333 (4261-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

Let R(n)=(10^n-1)/9 be the n-digit base-10 repunit. As of June 2003, the 4261-digit number (30*R(15)+4)*R(4260)/R(15)-1 was the largest known palindromic prime with prime digits. Proof: http://groups.yahoo.com/group/primeform/message/3390 [Broadhurst]

 

  Submitted: 2003-06-27 17:29:11;   Last Modified: 2008-01-30 11:28:00.



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