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32783846889 · 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:32783846889 · 2333333 - 1
Verification status (*):Proven
Official Comment (*):[none]
Proof-code(s): (*):L205 : Chambers, NewPGen, PrimeGrid, TPS, LLR
Decimal Digits:100354   (log10 is 100353.74720457)
Rank (*):42237 (digit rank is 374)
Entrance Rank (*):4549
Currently on list? (*):no
Submitted:2/11/2008 14:21:35 CDT
Last modified:2/11/2008 14:50:26 CDT
Removed (*):3/20/2008 22:46:24 CDT
Database id:84021
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_id84021
person_id9
machineRedHat P4 P4
whattrial_divided
notesCommand: /home/caldwell/client/TrialDiv/TrialDiv -q 32783846889 2 333333 -1 2>&1
[Elapsed time: 9.214 seconds]
modified2011-12-27 16:48:48
created2008-02-11 14:22:49
id97169

fieldvalue
prime_id84021
person_id9
machineDitto P4 P4
whatprime
notesCommand: /home/ditto/client/llr.pl 32783846889*2^333333-1 2>&1
Starting Lucas Lehmer Riesel prime test of 32783846889*2^333333-1
Using Zero Padded IBDWT : Mersenne fftlen = 16384, Used fftlen = 32768
V1 = 3 ; Computing U0...
V1 = 3 ; Computing U0...done.
Starting Lucas-Lehmer loop...
*2^333333-1 is prime! Time : 302.074 sec.
[Elapsed time: 5.05 minutes]
modified2008-04-18 10:43:09
created2008-02-11 14:38:01
id97173

Query times: 0.0005 seconds to select prime, 0.0006 seconds to seek comments.
Printed from the PrimePages <primes.utm.edu> © Chris Caldwell.