18491828541 · 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:18491828541 · 2333333 - 1
Verification status (*):Proven
Official Comment (*):[none]
Proof-code(s): (*):L234 : Smith3, NewPGen, PrimeGrid, TPS, LLR
Decimal Digits:100354   (log10 is 100353.49852452)
Rank (*):44647 (digit rank is 1601)
Entrance Rank (*):3715
Currently on list? (*):no
Submitted:8/2/2007 11:52:11 CDT
Last modified:8/2/2007 12:27:23 CDT
Removed (*):12/8/2007 19:14:33 CDT
Database id:81862
Status Flags:none
Score (*):39.5651 (normalized score 0.0082)

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_id81862
person_id9
machineRedHat P4 P4
whatprime
notesCommand: /home/caldwell/client/llr.pl 18491828541*2^333333-1 2>&1 Starting Lucas Lehmer Riesel prime test of 18491828541*2^333333-1 V1 = 11 ; Computing U0... Done Computing U0. Starting Lucas-Lehmer loop... 18491828541*2^333333-1 is prime! Time: 1302.548 sec. [Elapsed time: 1302 seconds]
modified2020-07-07 17:30:41
created2007-08-02 12:05:41
id92840

fieldvalue
prime_id81862
person_id9
machineRedHat P4 P4
whattrial_divided
notesCommand: /home/caldwell/client/TrialDiv/TrialDiv -q 18491828541 2 333333 -1 2>&1 [Elapsed time: 11.030 seconds]
modified2020-07-07 17:30:41
created2007-08-02 12:22:01
id92841

Query times: 0.0002 seconds to select prime, 0.0004 seconds to seek comments.
Printed from the PrimePages <primes.utm.edu> © Chris Caldwell.