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2671468702845 · 2666669 - 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:2671468702845 · 2666669 - 1
Verification status (*):Proven
Official Comment (*):[none]
Proof-code(s): (*):L1588 : Chambers, TwinGen, PrimeGrid, LLR
Decimal Digits:200700   (log10 is 200699.7929294)
Rank (*):25594 (digit rank is 652)
Entrance Rank (*):3741
Currently on list? (*):no
Submitted:7/10/2011 18:54:31 CDT
Last modified:7/10/2011 19:20:42 CDT
Removed (*):9/22/2011 11:13:40 CDT
Database id:100733
Status Flags:none
Score (*):41.699 (normalized score 0.0827)

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_id100733
person_id9
machineRedHat Virtual STEM Server
whatprime
notesCommand: /home/caldwell/client/llr.pl 2671468702845*2^666669-1 2>&1 Starting Lucas Lehmer Riesel prime test of 2671468702845*2^666669-1 Using Zero Padded IBDWT : Mersenne fftlen = 32768, Used fftlen = 81920 V1 = 5 ; Computing U0... V1 = 5 ; Computing U0...done.Starting Lucas-Lehmer loop... 2671468702845*2^666669-1 is prime! Time : 935.213 sec. [Elapsed time: 15.98 minutes]
modified2020-07-07 17:30:31
created2011-07-10 18:54:42
id131028

fieldvalue
prime_id100733
person_id9
machineDitto P4 P4
whattrial_divided
notesCommand: /home/ditto/client/TrialDiv/TrialDiv -q 2671468702845 2 666669 -1 2>&1 [Elapsed time: 9.728 seconds]
modified2020-07-07 17:30:31
created2011-07-10 19:05:22
id131031

Query times: 0.0004 seconds to select prime, 0.0007 seconds to seek comments.
Printed from the PrimePages <primes.utm.edu> © Chris Caldwell.