96873131072 - 9687365536 + 1

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:96873131072 - 9687365536 + 1
Verification status (*):Proven
Official Comment (*):Generalized unique
Unofficial Comments:This prime has 1 user comment below.
Proof-code(s): (*):L4026 : Batalov, Cyclo, EMsieve, PIES, LLR
Decimal Digits:653552   (log10 is 653551.56676178)
Rank (*):4675 (digit rank is 1)
Entrance Rank (*):371
Currently on list? (*):yes
Submitted:12/30/2014 18:17:42 UTC
Last modified:5/20/2023 20:59:19 UTC
Database id:119031
Status Flags:none
Score (*):45.3275 (normalized score 1.221)

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 Unique (archivable *)
Prime on list: no, rank 56
Subcategory: "Generalized Unique"
(archival tag id 224121, tag last modified 2023-12-18 15:37:22)

User comments about this prime (disclaimer):

User comments are allowed to convey mathematical information about this number, how it was proven prime.... See our guidelines and restrictions.

Serge Batalov writes (1 Jan 2015):  (report abuse)
Extends the OEIS sequence A246119 (i.e. b=96873 is the least base that produces a prime).

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_id119031
person_id9
machineUsing: Xeon 4c+4c 3.5GHz
whatprime
notesCommand: /home/caldwell/client/pfgw/pfgw64 -t -q"Phi(3,-96873^65536)" 2>&1 PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing Phi(3,-96873^65536) [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 11 Calling Brillhart-Lehmer-Selfridge with factored part 45.22% Phi(3,-96873^65536) is prime! (9207.5759s+0.1433s) [Elapsed time: 2.56 hours]
modified2020-07-07 22:30:17
created2014-12-30 18:21:01
id164635

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