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6665721465536 + 1
|Description:||6665721465536 + 1|
|Verification status (*):||Proven|
|Official Comment (*):||Generalized Fermat|
|Proof-code(s): (*):||L4905 : Niegocki, GFNSvCUDA, GeneFer, AthGFNSieve, PrimeGrid, LLR|
|Decimal Digits:||512744 (log10 is 512743.647344309)|
|Rank (*):||3162 (digit rank is 1)|
|Entrance Rank (*):||2408|
|Currently on list? (*):||yes|
|Submitted:||9/17/2019 18:56:22 CDT|
|Last modified:||9/17/2019 20:50:10 CDT|
|Score (*):||44.5824 (normalized score 1.4282)|
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.
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 129936 person_id 9 machine Using: Xeon 4c+4c 3.5GHz what prime notes Command: /home/caldwell/client/pfgw/pfgw64 -t -q"66657214^65536+1" 2>&1 PFGW Version 188.8.131.52BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing 66657214^65536+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 3 Calling Brillhart-Lehmer-Selfridge with factored part 58.25% 66657214^65536+1 is prime! (6022.4755s+0.0051s) [Elapsed time: 1.67 hours] modified 2020-07-07 17:30:11 created 2019-09-17 19:01:01 id 175621
Query times: 0.0018 seconds to select prime, 0.0006 seconds to seek comments.
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