Proof-code: x31
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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 x31, one of those codes.

Code name (*):x31   (See the descriptive data below.)
Persons (*):2 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Renze, Broadhurst
Number of primes:total 4
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 39.7148

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Primes with this code were proven using chgcertd.gp.
Below is additional information about this entry.
Display (text):Renze, Broadhurst
Display (short):Renze & Broadhurst
Database id:1147 (do not use this database id, it is subject to change)
Proof program:unknown
Entry last modified:2014-12-18 06:20:14