Proof-code: c4
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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 c4, one of those codes.

Code name (*):c4
Persons (*):1 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Broadhurst, Primo
Number of primes:total 109
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 35.3617, on current list 34.9858
Entrance Rank (*):mean 48939.69 (minimum 28287, maximum 66294)

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Display (text):Broadhurst, Primo
Display (short):Broadhurst
Database id:132 (do not use this database id, it is subject to change)
Proof program:Primo  The primes from this code accounts for 6.718% of the (active) primes and 0.183% of the (active) score for this program.
Entry last modified:2017-12-15 07:50:13