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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 p421, one of those codes.
Code name (*): p421 Persons (*): 1 (counting humans only) Projects (*): 1 (counting projects only) Display (HTML): Gahan, LLR2, PrivGfnServer, OpenPFGW Number of primes: total 1 Unverified Primes: 0 (prime table entries marked 'Composite','Untested', or 'InProcess' Score for Primes (*): total 46.6330, on current list 46.6330 (normalized score 6) Entrance Rank (*): mean 1089.00 (minimum 1089, maximum 1089)
Below is additional information about this entry.
Display (text): Gahan, LLR2, PrivGfnServer, OpenPFGW Display (short): Gahan Database id: 9446 (do not use this database id, it is subject to change) Proof program: PrimeForm The primes from this code accounts for 0.238% of the (active) primes and 0.664% of the (active) score for this program. Entry last modified: 2023-03-25 07:37:32
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