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Proof-code: L1209

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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 L1209, one of those codes.

Code name (*):L1209   (See the descriptive data below.)
Persons (*):1 (counting humans only)
Projects (*):1 (counting projects only)
Display (HTML):Wong, PSieve, Srsieve, PrimeGrid, LLR
Number of primes:total 85
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 48.3154, on current list 47.9780 (normalized score 43)
Entrance Rank (*):mean 2765.35 (minimum 250, maximum 3929)

Descriptive Data: (report abuse)
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:

I am a member of this code and I would like to: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:

Edit descriptive data (below) as:

Below is additional information about this entry.

Display (text):Wong, PSieve, Srsieve, PrimeGrid, LLR
Display (short):Wong
Database id:4553 (do not use this database id, it is subject to change)
Proof program:LLR  The primes from this code accounts for 0.530% of the (active) primes and 0.059% of the (active) score for this program.
Entry last modified:2020-09-18 08:50:21
Printed from the PrimePages <primes.utm.edu> © Chris Caldwell.