
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:  3^{850500} + 3^{248918}  1 
Verification status (*):  PRP 
Official Comment:  
Unofficial Comments:  This prime has 1 user comment below. 
Proofcode(s): (*):  CH9 : Zhou, OpenPFGW, CHG 
Decimal Digits:  405792 (log_{10} is 405791.627139073) 
Rank (*):  4222 (digit rank is 1) 
Entrance Rank (*):  3201 
Currently on list? (*):  yes 
Submitted:  7/16/2016 09:27:25 CDT 
Last modified:  7/16/2016 12:50:36 CDT 
Database id:  121904 
Status Flags:  Verify, TrialDiv 
Score (*):  43.8637 (normalized score 1.1311) 

User comments about this prime (disclaimer):
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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.
field  value 
prime_id  121904 
person_id  9 
machine  Using: Xeon 4c+4c 3.5GHz 
what  prp 
notes  Command: /home/caldwell/client/pfgw/pfgw64 tp q"3^850500+3^2489181" 2>&1 PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing 3^850500+3^2489181 [N+1, BrillhartLehmerSelfridge] Running N+1 test using discriminant 3, base 3+sqrt(3) Calling BrillhartLehmerSelfridge with factored part 29.27%
3^850500+3^2489181 is Lucas PRP! (11378.9385s+0.0152s) [Elapsed time: 3.16 hours]

modified  20170127 05:57:11 
created  20160716 09:31:01 
id  167543 

Query times: 0.0002 seconds to select prime, 0.0002 seconds to seek comments.
