Proof-code: c8
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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 c8, one of those codes.

Code name (*):c8
Persons (*):2 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Water, Broadhurst, Primo
Number of primes:total 314
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 36.6091, on current list 35.9692
Entrance Rank (*):mean 63866.52 (minimum 28211, maximum 86383)
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Display (text):Water, Broadhurst, Primo
Display (short):Water & Broadhurst
Database id:440 (do not use this database id, it is subject to change)
Proof program:Primo  The primes from this code accounts for 15.762% of the (active) primes and 0.433% of the (active) score for this program.
Entry last modified:2019-07-17 20:20:15
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