(90704749637 · (2110503 - 1) + 2) · 2110504 + 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:(90704749637 · (2110503 - 1) + 2) · 2110504 + 1
Verification status (*):Proven
Official Comment (*):Consecutive primes arithmetic progression (2,d=4)
Unofficial Comments:This prime has 1 user comment below.
Proof-code(s): (*):p408 : Batalov, PolySieve, OpenPFGW
Decimal Digits:66541   (log10 is 66540.693881738)
Rank (*):56452 (digit rank is 3)
Entrance Rank (*):56421
Currently on list? (*):yes
Submitted:11/4/2024 18:51:39 UTC
Last modified:11/5/2024 09:37:15 UTC
Database id:138700
Status Flags:none
Score (*):38.2986 (normalized score 0.001)

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.
Consecutive Primes in Arithmetic Progression (archivable class *)
Prime on list: yes, rank 3
Subcategory: "Consecutive primes in arithmetic progression (2,d=*)"
(archival tag id 229728, tag last modified 2024-11-23 01:37:11)
Arithmetic Progressions of Primes (archivable class *)
Prime on list: no, rank 31
Subcategory: "Arithmetic progression (2,d=*)"
(archival tag id 229729, tag last modified 2024-11-23 01:37:11)

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 (4 Nov 2024):  (report abuse)
Such pairs are called cousin primes.

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_id138700
person_id9
machineUsing: Digital Ocean Droplet
whatprime
notesPFGW Version 4.0.4.64BIT.20221214.x86_Dev [GWNUM 30.11]
Primality testing (90704749637*(2^110503-1)+2)*2^110504+1 [N-1, Brillhart-Lehmer-Selfridge]
Reading factors from helper file helper_file_id_138700
Prime_Testing_Warning,


Running N-1 test using base 3
Generic modular reduction using generic reduction AVX-512 FFT length 24K on A 221045-bit number
Calling Brillhart-Lehmer-Selfridge with factored part 49.99%


(90704749637*(2^110503-1)+2)*2^110504+1 is prime! (101.8237s+0.0006s)
[Elapsed time: 1.75 minutes]
Helper file contains: "2^110503-1"
modified2024-11-05 08:49:17
created2024-11-05 08:47:32
id184542

Query times: 0.0002 seconds to select prime, 0.0004 seconds to seek comments.
Printed from the PrimePages <t5k.org> © Reginald McLean.