20201020, 18:48  #89 
"Phil"
Sep 2002
Tracktown, U.S.A.
10001100000_{2} Posts 
Are there any other unresolved k values < 271129 for which you do not have a probable prime?

20201021, 10:25  #90 
Just call me Henry
"David"
Sep 2007
Liverpool (GMT/BST)
6052_{10} Posts 

20201021, 15:37  #91  
"99(4^34019)99 palind"
Nov 2016
(P^81993)SZ base 36
E62_{16} Posts 
Quote:
Code:
2^unknown+79309 2^9+79817 2^42210+91549 (PRP) 2^394+131179 2^21+152267 2^1032+156511 2^57+163187 2^1038+200749 2^44+202705 2^16+209611 2^27+222113 2^unknown+225931 2^11+227723 2^3+229673 2^38+237019 2^60+238411 

20230306, 21:22  #92 
Mar 2023
2 Posts 
I have proven 2^42210+91549 as prime and uploaded the certificate to factordb (testing out new hardware).

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
probable largest prime.  sudaprime  Miscellaneous Math  11  20180205 08:10 
Hi, how can I test my probable prime number?  mohdosa  Information & Answers  22  20141010 11:34 
Megadigit probable prime found, our third!  philmoore  Five or Bust  The Dual Sierpinski Problem  25  20090909 06:48 
Another record probable prime found!  philmoore  Five or Bust  The Dual Sierpinski Problem  15  20090208 19:43 
Record probable prime found!  philmoore  Five or Bust  The Dual Sierpinski Problem  18  20090128 19:47 