(2334015439 - 1)/23339

At this site we maintain a list of the 5000 Largest Known Primes which is updated hourly.  This list is the most important PrimePages database: a collection of research, records and results all about prime numbers. This page summarizes our information about one of these primes.

This prime's information:

Description:(2334015439 - 1)/23339
Verification status (*):PRP
Official Comment (*):Generalized repunit
Unofficial Comments:This prime has 1 user comment below.
Proof-code(s): (*):p170 : Wu_T, Primo, OpenPFGW
Decimal Digits:67435   (log10 is 67434.740967297)
Rank (*):55601 (digit rank is 1)
Entrance Rank (*):48727
Currently on list? (*):short
Submitted:3/5/2020 19:13:09 UTC
Last modified:5/20/2023 20:59:19 UTC
Database id:130731
Status Flags:Verify
Score (*):38.3398 (normalized score 0.0012)

Archival tags:

There are certain forms classed as archivable: these prime may (at times) remain on this list even if they do not make the Top 5000 proper.  Such primes are tracked with archival tags.
Generalized Repunit (archivable *)
Prime on list: yes, rank 8
Subcategory: "Generalized Repunit"
(archival tag id 223916, tag last modified 2024-02-26 02:37:04)

User comments about this prime (disclaimer):

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Tom Wu writes (5 Mar 2020):  (report abuse)
BLS primality proof (N-1)

Verification data:

The Top 5000 Primes is a list for proven primes only. In order to maintain the integrity of this list, we seek to verify the primality of all submissions.  We are currently unable to check all proofs (ECPP, KP, ...), but we will at least trial divide and PRP check every entry before it is included in the list.
fieldvalue
prime_id130731
person_id9
machineUsing: Xeon (pool) 4c+4c 3.5GHz
whatprp
notesCommand: /home/caldwell/clientpool/1/pfgw64 -tc -q"(23340^15439-1)/23339" 2>&1 PFGW Version 4.0.1.64BIT.20191203.x86_Dev [GWNUM 29.8] Primality testing (23340^15439-1)/23339 [N-1/N+1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 2 Running N+1 test using discriminant 11, base 1+sqrt(11) Calling N-1 BLS with factored part 0.12% and helper 0.02% (0.37% proof) (23340^15439-1)/23339 is Fermat and Lucas PRP! (427.9397s+0.0006s) [Elapsed time: 7.13 minutes]
modified2020-07-07 22:30:10
created2020-03-05 19:16:01
id176417

Query times: 0.0002 seconds to select prime, 0.0003 seconds to seek comments.
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