790717071 · 254255 - 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:790717071 · 254255 - 1
Verification status (*):Proven
Official Comment (*):Sophie Germain (2p+1)
Proof-code(s): (*):L25 : Chaglassian, NewPGen, LLR
Decimal Digits:16342   (log10 is 16341.280435864)
Rank (*):76036 (digit rank is 1)
Entrance Rank (*):26735
Currently on list? (*):no
Submitted:1/14/2007 18:57:36 UTC
Last modified:3/11/2023 15:54:10 UTC
Database id:79186
Status Flags:none
Score (*):33.9611 (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.
Sophie Germain (2p+1) (archivable *)
Prime on list: no, rank 62
Subcategory: "Sophie Germain (2p+1)"
(archival tag id 192441, tag last modified 2023-11-19 12:37:21)

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_id79186
person_id9
machineRedHat P4 P4
whattrial_divided
notesCommand: /home/caldwell/client/TrialDiv/TrialDiv -q 790717071 2 54255 -1 2>&1 [Elapsed time: 8.814 seconds]
modified2020-07-07 22:30:42
created2007-01-14 19:22:01
id87470

fieldvalue
prime_id79186
person_id9
machineRedHat P4 P4
whatprime
notesCommand: /home/caldwell/client/llr.pl 790717071*2^54255-1 2>&1 Starting Lucas Lehmer Riesel prime test of 790717071*2^54255-1 V1 = 3 ; Computing U0... Done Computing U0. Starting Lucas-Lehmer loop... 790717071*2^54255-1 is prime! Time : 12.112 sec. [Elapsed time: 12 seconds]
modified2020-07-07 22:30:42
created2007-01-14 19:23:02
id87471

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