Mat's Prime Search


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 reflects on the primes currently on the list. (Many of the terms that are used here are explained on another page.)

Proof-code(s): p142, g363, p139, p143, p145, p148, p156, p166
E-mail address: (e-mail address unpublished)
Web page:
Username MatGFN (entry created on 7/5/2004 11:06:13 CDT)
Database id:662 (entry last modified on 7/16/2017 12:45:59 CDT)
Active primes:on current list: 2, rank by number 20
Total primes: number ever on any list: 24.5
Production score: for current list 45 (normalized: 2), total 45.3576, rank by score 20
Largest prime: 5 · 21777515 + 1 ‏(‎535087 digits) via code p148 on 4/14/2005 19:13:10 CDT
Most recent: 5 · 21777515 + 1 ‏(‎535087 digits) via code p148 on 4/14/2005 19:13:10 CDT
Entrance Rank: mean 20.00 (minimum 19, maximum 21)

Descriptive Data: (report abuse)

This project is composed of one or more projects in Japanese.

Primes found by 47*2^n+1 Search:
9*2^834810+1 Senji Yamashita (Sep 22, 2004)
9*2^1051026+1 Souichi Murata (Dec 15, 2004)
7*2^1491852+1 Syoichiro Yamada (Mar 2, 2005)
5*2^1777515+1 Senji Yamashita (Apr 15, 2005)

We cooperate on the board which is managed by Mat.
Mat provides some contents on webpage how to search primes in Japanese.

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