Proof-code: x35
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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 x35, one of those codes.

Code name (*):x35   (See the descriptive data below.)
Persons (*):3 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Underbakke, Narayanan, Carmody, PRP
Number of primes:total 4
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 32.7512

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The program is pure Proth's Theorem: two expmods, one GCD, and nothing more.  Implemented in circa 20 lines of GMP, and only ever run on Phil's aging Alpha!
Below is additional information about this entry.
Display (text):Underbakke, Narayanan, Carmody, PRP
Display (short):Underbakke, Narayanan & Carmody
Database id:458 (do not use this database id, it is subject to change)
Proof program:unknown
Entry last modified:2017-12-17 19:20:12