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18289646769 · 2333333 - 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.

Description:18289646769 · 2333333 - 1
Verification status (*):Proven
Official Comment (*):[none]
Proof-code(s): (*):L289 : Eiterig, NewPGen, PrimeGrid, TPS, LLR
Decimal Digits:100354   (log10 is 100353.49374998)
Rank (*):43485 (digit rank is 1619)
Entrance Rank (*):3709
Currently on list? (*):no
Submitted:7/30/2007 14:41:52 CDT
Last modified:7/30/2007 17:40:28 CDT
Removed (*):12/8/2007 14:04:53 CDT
Database id:81838
Status Flags:none
Score (*):39.5651 (normalized score 0.0098)

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_id81838
person_id9
machineRedHat P4 P4
whattrial_divided
notesCommand: /home/caldwell/client/TrialDiv/TrialDiv -q 18289646769 2 333333 -1 2>&1
[Elapsed time: 9.354 seconds]
modified2007-09-12 06:50:18
created2007-07-30 14:52:59
id92791

fieldvalue
prime_id81838
person_id9
machineRedHat P4 P4
whatprime
notesCommand: /home/caldwell/client/llr.pl 18289646769*2^333333-1 2>&1
Starting Lucas Lehmer Riesel prime test of 18289646769*2^333333-1
V1 = 3 ; Computing U0...
Done Computing U0.
Starting Lucas-Lehmer loop...
18289646769*2^333333-1 is prime! Time: 1342.887 sec.
[Elapsed time: 1343 seconds]
modified2007-09-12 06:50:18
created2007-07-30 17:18:05
id92802

Query times: 0.0004 seconds to select prime, 0.0003 seconds to seek comments.
Printed from the PrimePages <primes.utm.edu> © Chris Caldwell.