20201020, 18:48  #89 
"Phil"
Sep 2002
Tracktown, U.S.A.
2141_{8} 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)
11×557 Posts 

20201021, 15:37  #91  
"99(4^34019)99 palind"
Nov 2016
(P^81993)SZ base 36
47×79 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^{2} Posts 
I have proven 2^42210+91549 as prime and uploaded the certificate to factordb (testing out new hardware).

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