primB(103645)
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: | primB(103645) |
|---|---|
| Verification status (*): | PRP |
| Official Comment (*): | Lucas Aurifeuillian primitive part, ECPP |
| Unofficial Comments: | This prime has 1 user comment below. |
| Proof-code(s): (*): | c8 : Broadhurst, Water, Primo |
| Decimal Digits: | 8202 (log10 is 8201.298316938) |
| Rank (*): | 85400 (digit rank is 3) |
| Entrance Rank (*): | 67176 |
| Currently on list? (*): | no |
| Submitted: | 10/9/2013 22:20:45 UTC |
| Last modified: | 5/20/2023 20:59:19 UTC |
| Database id: | 115860 |
| Status Flags: | Verify |
| Score (*): | 31.8253 (normalized score 0) |
Archival tags:
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.
- Lucas Aurifeuillian primitive part (archivable *)
- Prime on list: no, rank 25
Subcategory: "Lucas Aurifeuillian primitive part"
(archival tag id 217265, tag last modified 2024-03-24 06:37:15)- Elliptic Curve Primality Proof (archivable *)
- Prime on list: no, rank 395
Subcategory: "ECPP"
(archival tag id 217266, tag last modified 2024-10-10 23:37:23)
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 115860 person_id 9 machine Ditto P4 P4 what prp notes PFGW Version 3.4.5.32BIT.20110215.x86_Dev [GWNUM 26.5] Primality testing 1987544852...3088133201 [N-1/N+1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 23 Running N+1 test using discriminant 37, base 12+sqrt(37) Calling N-1 BLS with factored part 0.87% and helper 0.10% (2.70% proof) 1987544852...3088133201 is Fermat and Lucas PRP! (31.7551s+0.0064s) [Elapsed time: 31.00 seconds] modified 2020-07-07 22:30:18 created 2013-10-09 22:38:02 id 161358
Query times: 0.0002 seconds to select prime, 0.0003 seconds to seek comments.
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