275 · 23585539 + 1
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At this site we maintain a list of the 5000 Largest Known Primes which is updated hourly. This list is the most important databases at The Prime Pages: a collection of research, records and results all about prime numbers. This page summarizes our information about one of these primes.

This prime's information:

field (help)value
Description:275 · 23585539 + 1
Verification status (*):Proven
Official Comment:
Unofficial Comments:This prime has 1 user comment below.
Proof-code(s): (*):L3803 : Bredl, PSieve, Srsieve, PrimeGrid, LLR
Decimal Digits:1079358   (log10 is 1079357.22895573)
Rank (*):128 (digit rank is 1)
Entrance Rank (*):104
Currently on list? (*):short
Submitted:2/9/2016 17:13:13 CDT
Last modified:2/9/2016 18:50:34 CDT
Database id:121092
Status Flags:TrialDiv
Score (*):46.8673 (normalized score 23.0728)

User comments about this prime (disclaimer):

User comments are allowed to convey mathematical information about this number, how it was proven prime.... See our guidelines and restrictions.

PrimeGrid writes (27 Nov 2016): 
For more details, see the Official Announcement.

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_id121092
person_id9
machineUsing: Xeon 4c+4c 3.5GHz
whatprime
notesCommand: /home/caldwell/client/pfgw/pfgw64 -t -q"275*2^3585539+1" 2>&1
PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11]
Primality testing 275*2^3585539+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Calling Brillhart-Lehmer-Selfridge with factored part 100.00%


275*2^3585539+1 is prime! (5249.4759s+0.0012s)
[Elapsed time: 87.50 minutes]
modified2016-04-08 12:40:26
created2016-02-09 17:13:40
id166725

Query times: 0.0003 seconds to select prime, 0.0003 seconds to seek comments.