20230317, 05:39  #320  
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
23736_{8} Posts 
Quote:
Easier to improve that with a traditional sieve, I would think... 213778324725*2^561417+1 (p) 213778324725*2^561418+1 (2p1) 

20230317, 07:37  #321  
Sep 2002
Database er0rr
3^{3}·173 Posts 
Quote:


20230317, 13:35  #322 
Jan 2007
Germany
3·229 Posts 
Congrats, page was updated !
https://www.pzktupel.de/JensKruseAndersen/cc.php 
20230408, 16:38  #323 
Dec 2011
After 1.58M nines:)
11010001101_{2} Posts 
New 1.58M nearrepdigit is found :)
From last hit in same sequence difference is only cca 8500 candidates :) ( and 2.5 years time difference) :) And now it is official :) https://t5k.org/primes/page.php?id=135919 92 ·10^15859961 
Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Distribution of Mersenne primes before and after couples of primes found  emily  Math  35  20221221 16:32 
Mersenne Primes p which are in a set of twin primes is finite?  carpetpool  Miscellaneous Math  4  20220714 02:29 
Patterns in primes that are primitive roots / Gaps in fullreptend primes  mart_r  Prime Gap Searches  14  20200630 12:42 
Conjecture about Mersenne primes and nonprimes v2  Mickey1  Miscellaneous Math  1  20130530 12:32 
possible primes (real primes & poss.prime products)  troels munkner  Miscellaneous Math  4  20060602 08:35 