A titan, as defined by Samuel Yates, is anyone who has found a titanic prime . This page provides data on those that have found these primes. The data below only reflect on the primes currently on the list. (Many of the terms that are used here are explained on another page .)
Proof-code(s): p62 , p159 , p174 , x9 , x15 , x19 , p180 E-mail address: (e-mail address unpublished) Web page: http://groups.yahoo.com/group/primeform/ Username: egroup
(entry created on 10/27/2001) Database id: 339
(entry last modified on 03/28/2006) Active primes: on current list: 1,
rank by number 22 Total primes: number ever on any list: 8 Production score: for current list 39 (normalized: 0), total 41.4764,
rank by score 25 Largest prime: "41769334305470218025...(102088 other digits)...13913798335329393079" p62 on 05/26/2005Most recent: (1284991359 · 298305 +1) · (96060285 · 2135170 +1)-2 p180 on 10/07/2005Entrance Rank: mean 87.00 (minimum 87, maximum 87)
Descriptive Data:
(report abuse )
October 2005:
(1284991359*2^98305+1)*(96060285*2^135170+1)-2 Largest
known Chen prime . BLS provable form and preparations by
Jens Kruse Andersen. Trial factoring program to 2^31 by
Phil Carmody. PrimeForm PRP tests by Jens Kruse Andersen,
Pierre Cami, Jason Earls, Micha Fleuren, Andy Klingeleers,
Paul Underwood, Thomas Wolter. Prp found by Micha Fleuren.
Brillhart-Lehmer-Selfridge proof with 42% N+1 factorization
by PrimeForm.Two
100,000 digit "Picture Primes" .32476090*C(1531785651*2^10110+18,23)-1 Distributed
search for a provable prime of the form p = k*C(x,23)-1
where C is the binomial function. Factoring p+1 to 30.9%
and sieving by Jens Kruse Andersen. Proving p+1 factors
with Primo by Pierre Cami, Luigi Morelli and V. M. Ulyanov.
PRP tests with PrimeForm by the 4 mentioned and
Décio Luiz Gazzoni Filho. PRP found by Pierre Cami.
Konyagin-Pomerance primality proof by David Broadhurst.25987968300*[RSA-200]^512-1 and
49334180280*[RSA-200]^512-1 factorization
of RSA-200 , the product of 2 random 100-digit primes.
Writing and running sieve to 10^12 by Jens Kruse Andersen.
PRP tests by Jens Kruse Andersen, Göran Axelsson,
Pierre Cami, Phil Carmody, Chuck Lasher, Predrag Minovic,
Luigi Morelli, Martin Speirs, V. M. Ulyanov, Paul Underwood
and Cedric Vonck. Finding and proving primes by Luigi
Morelli and Paul Underwood.22055611200*(10^999+203959)#/(10^999)#-1 10100000 -1061403 -1 PrimeForm
e-group members to search exhaustively for a one
hundred thousand digit primes of the form 10^100000-10^k-1
where k is between 33333 and 99999. Trial division sieving
program and running of it to 4 billion by Michael Bell. PRP
tests by Fermat's Method by 8-legs, James Berwick, Didier
Boivin, Michael Bell, Phil Kenny, Wade McBeth, MyJoy18 and
Paul Underwood. Brillhart-Lehmer-Selfridge proof using PFGW
by Paul Underwood.
I administer Primeform e-group and I would like to
Surname: PrimeForm_egroup (used for alphabetizing and in codes)
