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Proof-code: c89

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 c89, one of those codes.

Code name (*):c89
Persons (*):2 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Underwood, Broadhurst, Primo
Number of primes:total 1
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 36.2364, on current list 36.2364
Entrance Rank (*):mean 57092.00 (minimum 57092, maximum 57092)

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Below is additional information about this entry.

Display (text):Underwood, Broadhurst, Primo
Display (short):Underwood & Broadhurst
Database id:8690 (do not use this database id, it is subject to change)
Proof program:Primo  The primes from this code accounts for 0.258% of the (active) primes and 0.464% of the (active) score for this program.
Entry last modified:2020-08-12 18:20:15
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