Already Deleted: 155 · 267973 + 1

This number has been deleted (possibly too small when submitted).

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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.

Description:155 · 267973 + 1
Verification status (*):Proven
Official Comment (*):Duplicate--but how?
Proof-code(s): (*):g1 :

Warning! This is the code this prime was submitted with, but the current owners of the code may have changed. Do not assume this entry was submitted by the owners of this code.

Decimal Digits:20465   (log10 is 20464.102226966)
Rank (*):39275 (digit rank is 5)
Entrance Rank (*):1758
Currently on list? (*):no
Submitted:8/23/2000 07:09:44 CDT
Last modified:10/17/2010 11:56:51 CDT
Removed (*):6/22/2001 08:12:05 CDT
Database id:62875
Status Flags:Remove
Score (*):34.6572 (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.

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_id62875
person_id9
machineWinXP Athlon 1.3GHz
whatprime
notesPFGW Version 20021217.Win_Dev (Beta 'caveat utilitor') [FFT v22.7 w/P4] Running N-1 test using base 3 Primality testing 155*2^67973+1 [N-1, Brillhart-Lehmer-Selfridge] Calling Brillhart-Lehmer-Selfridge with factored part 99.99% 155*2^67973+1 is prime! (43.752000 seconds)
modified2003-03-25 11:22:47
created2003-01-07 07:56:42
id64050

Query times: 0.0002 seconds to select prime, 0.0002 seconds to seek comments.
Printed from the PrimePages <primes.utm.edu> © Chris Caldwell.