Proof-code: x40

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 x40, one of those codes.

Code name (*):x40   (See the descriptive data below.)
Persons (*):2 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Bedwell, Broadhurst, OpenPFGW
Number of primes:total 1
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess'
Score for Primes (*):total 40.3048

Descriptive Data: (report abuse)
David Broadhurst's Konyagin-Pomerance programme was used, after OpenPFGW had done the N-1 BLS tests. GMP-ECM yielded partial factorizations of N-1 and N+1 that were insufficient for a Williams-Lenstra proof.
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Below is additional information about this entry.

Display (text):Bedwell, Broadhurst, OpenPFGW
Display (short):Bedwell & Broadhurst
Database id:4255 (do not use this database id, it is subject to change)
Proof program:unknown
Entry last modified:2024-06-18 17:37:10
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