Proof-code: p199
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  Samuel Yates began, and this site continues, a database of the largest known primes. Primes in that database are assigned a proof-code to show who should be credited with the discovery as well as what programs and projects they used. (Discoverers have one prover-entry, but may have many proof-codes because they use a variety of programs...) This page provides data on p199, one of those codes.

Code name (*):p199   (See the descriptive data below.)
Persons (*):1 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Broadhurst, NewPGen, OpenPFGW
Number of primes:total 141
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 46.7264, on current list 46.2058 (normalized score 12)
Entrance Rank (*):mean 24618.09 (minimum 79, maximum 69657)

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Descriptive Data: (report abuse)
2*3^n + 1 is prime for n = 0, 1, 2, 4, 5, 6, 9, 16, 17, 30, 54, 57, 60, 65, 132, 180, 320, 696, 782, 822, 897, 1252, 1454, 4217, 5480, 6225, 7842, 12096, 13782, 17720, 43956, 64822, 82780, 105106, 152529, 165896, 191814, 529680, 1074726, 1086112, 1175232 ...
Below is additional information about this entry.
Display (text):Broadhurst, NewPGen, OpenPFGW
Display (short):Broadhurst
Database id:1224 (do not use this database id, it is subject to change)
Proof program:PrimeForm  The primes from this code accounts for 1.877% of the (active) primes and 0.747% of the (active) score for this program.
Entry last modified:2017-12-18 14:20:37