3 · 22145353 + 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:3 · 22145353 + 1
Verification status (*):Proven
Official Comment (*):Divides Fermat F(2145351), GF(2145351,3), GF(2145352,5), GF(2145348,6), GF(2145352,10), GF(2145351,12)
Proof-code(s): (*):g245 : Cosgrave, NewPGen, PRP, Proth.exe
Decimal Digits:645817   (log10 is 645816.08140896)
Rank (*):4371 (digit rank is 1)
Entrance Rank (*):5
Currently on list? (*):short
Submitted:2/25/2003 16:47:15 UTC
Last modified:3/11/2023 15:54:10 UTC
Database id:64011
Status Flags:none
Score (*):45.291 (normalized score 1.364)

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: yes, rank 15, weight 46.389627701615
Subcategory: "Divides GF(*,12)"
(archival tag id 187038, tag last modified 2024-04-07 12:37:28)
Generalized Fermat Divisors (bases 3,5,6,10,12) (archivable *)
Prime on list: yes, rank 10, weight 46.389627701615
Subcategory: "Divides GF(*,10)"
(archival tag id 187037, tag last modified 2023-07-02 21:37:20)
Generalized Fermat Divisors (bases 3,5,6,10,12) (archivable *)
Prime on list: yes, rank 14, weight 46.389627701615
Subcategory: "Divides GF(*,6)"
(archival tag id 187036, tag last modified 2023-03-31 01:37:05)
Generalized Fermat Divisors (bases 3,5,6,10,12) (archivable *)
Prime on list: yes, rank 13, weight 46.389627701615
Subcategory: "Divides GF(*,5)"
(archival tag id 187035, tag last modified 2024-03-22 08:37:11)
Generalized Fermat Divisors (bases 3,5,6,10,12) (archivable *)
Prime on list: yes, rank 19, weight 46.389627701615
Subcategory: "Divides GF(*,3)"
(archival tag id 187034, tag last modified 2024-03-22 08:37:11)
Fermat Divisors (archivable *)
Prime on list: yes, rank 11, weight 46.389627701615
Subcategory: "Divides Fermat"
(archival tag id 187033, tag last modified 2023-07-18 02:37:34)

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_id64011
person_id9
machineLinux P4 2.8GHz
whatprime
notesPFGW Version 20020311.x86_Dev (Alpha software, 'caveat utilitor') Running N-1 test using base 5 Primality testing 3*2^2145353+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 100.00% 3*2^2145353+1 is prime! (583.423264 seconds)
modified2003-03-25 17:21:40
created2003-02-26 12:25:23
id68493

Query times: 0.0002 seconds to select prime, 0.0002 seconds to seek comments.
Printed from the PrimePages <t5k.org> © Reginald McLean.