p(158931035)

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:p(158931035)
Verification status (*):PRP
Official Comment (*):Partitions,ECPP
Proof-code(s): (*):E1 : Batalov, CM
Decimal Digits:14036   (log10 is 14035.025724552)
Rank (*):82101 (digit rank is 2)
Entrance Rank (*):82018
Currently on list? (*):yes
Submitted:5/13/2026 17:10:58 UTC
Last modified:5/15/2026 03:37:11 UTC
Database id:142249
Status Flags:Verify
Score (*):33.4902 (normalized score 0)

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.
Elliptic Curve Primality Proof (archivable *)
Prime on list: no, rank 226
Subcategory: "ECPP"
(archival tag id 240292, tag last modified 2026-07-01 20:37:10)
Partitions (archivable *)
Prime on list: yes, rank 8
Subcategory: "Partitions"
(archival tag id 240293, tag last modified 2026-05-15 03:37:14)

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_id142249
person_id9
machineUsing: Digital Ocean Droplet
whatprp
notesPFGW Version 4.0.4.64BIT.20221214.x86_Dev [GWNUM 30.11]
Primality testing 1061022397...7251233771 [N-1/N+1, Brillhart-Lehmer-Selfridge]
trial


Running N-1 test using base 2
Generic modular reduction using generic reduction FMA3 FFT length 5K on A 46624-bit number
Running N+1 test using discriminant 7, base 2+sqrt(7)
Generic modular reduction using generic reduction FMA3 FFT length 5K on A 46624-bit number
Calling N+1 BLS with factored part 0.07% and helper 0.05% (0.27% proof)


1061022397...7251233771 is Fermat and Lucas PRP! (12.0312s+0.0037s)
[Elapsed time: 15.00 seconds]
modified2026-05-15 03:34:40
created2026-05-15 03:04:20
id188435

Query times: 0.0003 seconds to select prime, 0.0004 seconds to seek comments.
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