# Proof-code: p406

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 p406, one of those codes.

Code name(*):p406 Persons(*):3 (counting humans only) Projects(*):1 (counting projects only) Display (HTML):DavisK, Luhn, Underwood, NewPGen, PrimeForm_egroup, OpenPFGW Number of primes:total 3127 Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess' Score for Primes(*):total 35.8801, on current list 29.4419 Entrance Rank(*):mean 92081.20 (minimum 92070, maximum 92084)

Below is additional information about this entry.

Display (text): DavisK, Luhn, Underwood, NewPGen, PrimeForm_egroup, OpenPFGW Display (short): DavisK, Luhn & Underwood Database id: 8943 (do not use this database id, it is subject to change) Proof program: PrimeForm The primes from this code accounts for 1.073% of the (active) primes and 0.000% of the (active) score for this program. Entry last modified: 2021-10-21 17:37:20

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