1277 · 2346986 - 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:1277 · 2346986 - 1
Verification status (*):Proven
Official Comment (*):[none]
Proof-code(s): (*):L80 : Benson, NewPGen, LLR
Decimal Digits:104457   (log10 is 104456.30026636)
Rank (*):42220 (digit rank is 1)
Entrance Rank (*):2113
Currently on list? (*):no
Submitted:12/16/2006 17:06:15 CDT
Last modified:12/16/2006 17:32:49 CDT
Removed (*):12/15/2008 05:22:31 CDT
Database id:79014
Status Flags:none
Score (*):39.6886 (normalized score 0.0091)

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.
machineRedHat P4 P4
notesCommand: /home/caldwell/client/TrialDiv/TrialDiv -q 1277 2 346986 -1 2>&1 [Elapsed time: 9.585 seconds]
modified2020-07-07 17:30:42
created2006-12-16 17:22:02

machineRedHat P4 P4
notesCommand: /home/caldwell/client/llr.pl 1277*2^346986-1 2>&1 Starting Lucas Lehmer Riesel prime test of 1277*2^346986-1 V1 = 4 ; Computing U0... Done Computing U0. Starting Lucas-Lehmer loop... 1277*2^346986-1 is prime! Time : 588.134 sec. [Elapsed time: 588 seconds]
modified2020-07-07 17:30:42
created2006-12-16 17:23:01

Query times: 0.0006 seconds to select prime, 0.0012 seconds to seek comments.
Printed from the PrimePages <primes.utm.edu> © Chris Caldwell.