Proof-code: L774
(Another of the Prime Pages' resources)
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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 L774, one of those codes.

Code name (*):L774   (See the descriptive data below.)
Persons (*):1 (counting humans only)
Projects (*):1 (counting projects only)
Display (HTML):Vecchia, Srsieve, PrimeGrid, LLR
Number of primes:total 5
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 42.4110

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Fermat Number divisibility was checked using the following settings in OpenPFGW:

-gxo -a1 prime

OpenPFGW's bio page at the Prime Pages can be found HERE. Also, for more information about Fermat and Generalized Fermat Number divisors, please see Wilfrid Keller's sites:

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Below is additional information about this entry.
Display (text):Vecchia, Srsieve, PrimeGrid, LLR
Display (short):Vecchia
Database id:3954 (do not use this database id, it is subject to change)
Proof program:LLR  
Entry last modified:2017-10-16 20:50:14