13 · 21499876 + 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:13 · 21499876 + 1
Verification status (*):Proven
Official Comment (*):Divides GF(1499875,3)
Proof-code(s): (*):g267 : Grobstich, NewPGen, PRP, Proth.exe
Decimal Digits:451509   (log10 is 451508.77971986)
Rank (*):9555 (digit rank is 1)
Entrance Rank (*):17
Currently on list? (*):no
Submitted:12/30/2004 09:58:54 UTC
Last modified:3/11/2023 15:54:10 UTC
Database id:72917
Status Flags:none
Score (*):44.1917 (normalized score 0.5596)

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 Fermat Divisors (bases 3,5,6,10,12) (archivable *)
Prime on list: no, rank 21, weight 46.756698596811
Subcategory: "Divides GF(*,3)"
(archival tag id 187053, tag last modified 2023-03-31 00:37:44)
Query times: 0.0004 seconds to select prime, 0.0007 seconds to seek comments.
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