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(286137 - 1)/2584111 / 7747937967916174363624460881
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.
This prime's information:
|Description:||(286137 - 1)/2584111 / 7747937967916174363624460881|
|Verification status (*):||PRP|
|Official Comment (*):||Mersenne cofactor, ECPP|
|Unofficial Comments:||This prime has 1 user comment below.|
|Proof-code(s): (*):||c84 : Underwood, Primo|
|Decimal Digits:||25896 (log10 is 25895.519239209)|
|Rank (*):||68948 (digit rank is 1)|
|Entrance Rank (*):||67162|
|Currently on list? (*):||short|
|Submitted:||5/25/2022 18:41:28 UTC|
|Last modified:||3/11/2023 15:54:10 UTC|
|Status Flags:||Verify, TrialDiv|
|Score (*):||35.385 (normalized score 0)|
There are certain forms classed as archivable: these prime may (at times) remain on this list even if they do not make the Top 5000 proper. Such primes are tracked with archival tags.
- Elliptic Curve Primality Proof (archivable *)
- Prime on list: no, rank 37
(archival tag id 227070, tag last modified 2023-03-11 16:02:30)
- Mersenne cofactor (archivable *)
- Prime on list: yes, rank 6
Subcategory: "Mersenne cofactor"
(archival tag id 227071, tag last modified 2023-03-11 16:02:31)
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.
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 133972 person_id 9 machine Using: Dual Intel Xeon Gold 5222 CPUs 3.8GHz what prp notes Command: /home/caldwell/clientpool/1/pfgw64 -tc -q"(2^86137-1)/2584111/7747937967916174363624460881" 2>&1 PFGW Version 18.104.22.168BIT.20191203.x86_Dev [GWNUM 29.8] Primality testing (2^86137-1)/2584111/7747937967...3624460881 [N-1/N+1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 11 Running N-1 test using base 13 Running N+1 test using discriminant 23, base 1+sqrt(23) Calling N-1 BLS with factored part 0.06% and helper 0.04% (0.23% proof) (2^86137-1)/2584111/7747937967...3624460881 is Fermat and Lucas PRP! (22.7442s+0.0001s) [Elapsed time: 23.00 seconds] modified 2022-07-11 18:21:44 created 2022-05-25 18:46:01 id 179699
Query times: 0.0002 seconds to select prime, 0.0004 seconds to seek comments.
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