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13 · 26481780 + 1
|Description:||13 · 26481780 + 1|
|Verification status (*):||Proven|
|Official Comment (*):||[none]|
|Unofficial Comments:||This prime has 1 user comment below.|
|Proof-code(s): (*):||L4965 : Propper, LLR|
|Decimal Digits:||1951212 (log10 is 1951211.31923823)|
|Rank (*):||102 (digit rank is 1)|
|Entrance Rank (*):||85|
|Currently on list? (*):||short|
|Submitted:||3/9/2020 21:25:34 CDT|
|Last modified:||3/10/2020 12:27:34 CDT|
|Score (*):||48.683 (normalized score 85.9679)|
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 130749 person_id 9 machine Using: Xeon (pool) 4c+4c 3.5GHz what prime notes Command: /home/caldwell/clientpool/1/pfgw64 -t -q"13*2^6481780+1" 2>&1 PFGW Version 220.127.116.11BIT.20191203.x86_Dev [GWNUM 29.8] Primality testing 13*2^6481780+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 3 Calling Brillhart-Lehmer-Selfridge with factored part 100.00% 13*2^6481780+1 is prime! (14804.0047s+0.0028s) [Elapsed time: 4.11 hours] modified 2020-07-07 17:30:10 created 2020-03-09 21:26:01 id 176435
Query times: 0.0007 seconds to select prime, 0.0007 seconds to seek comments.
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