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16869987339975 · 2171960 - 1
|Description:||16869987339975 · 2171960 - 1|
|Verification status (*):||Proven|
|Official Comment (*):||Twin (p)|
|Proof-code(s): (*):||x24 : Jarai_Z, Farkas, Csajbok, Kasza, Jarai, Unknown|
|Decimal Digits:||51779 (log10 is 51778.345169135)|
|Rank (*):||55103 (digit rank is 2)|
|Entrance Rank (*):||8233|
|Currently on list? (*):||short|
|Submitted:||9/8/2005 03:46:06 CDT|
|Last modified:||9/8/2005 09:40:50 CDT|
|Score (*):||37.5249 (normalized score 0.001)|
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 75542 person_id 9 machine Linux P4 2.8GHz what prime notes Command: /home/caldwell/client/llr.pl 16869987339975*2^171960-1 2>&1 Starting Lucas Lehmer Riesel prime test of 16869987339975*2^171960-1 V1 = 11 ; Computing U0... Done Computing U0. Starting Lucas-Lehmer loop... 16869987339975*2^171960-1 is prime! Time: 632.395 sec. [Elapsed time: 633 seconds] modified 2020-07-07 17:30:43 created 2005-09-08 03:53:00 id 80710
Query times: 0.0005 seconds to select prime, 0.0007 seconds to seek comments.
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