Mikael Klasson's Proth_sieve
(Another of the Prime Pages' resources)
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program 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):
L37, L39, SB6, L42, g341 ... ... SB10, SB11, L613, L622, SB12
E-mail address: (e-mail address unpublished)
Web page:http://mklasson.com/proth_sieve.php
Username: ProthSieve (entry created on 01/02/2004)
Database id:586 (entry last modified on 11/06/2016)
Program Does *: sieve
Active primes:on current list: 28, rank by number 20
Total primes: number ever on any list: 218
Production score: for current list 53 (normalized: 19179), total 53.6144, rank by score 4
Largest prime: 10223 · 231172165 + 1 ‏(‎9383761 digits) via code SB12 on 11/06/2016
Most recent: 10223 · 231172165 + 1 ‏(‎9383761 digits) via code SB12 on 11/06/2016
Entrance Rank: mean 18.14 (minimum 4, maximum 56)

Descriptive Data: (report abuse)
Proth_sieve can sieve numbers of the form k*2^n+/-1. It performs best on large n ranges and takes advantage of regularities in the distribution of remaining n values. This program is used for sieving in Seventeen or Bust, The Riesel Sieve Project, and The Prime Sierpinski Problem.

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Surname: ProthSieve (used for alphabetizing and in codes)
Unverified primes are omitted from counts and lists until verification completed.