Takahiko Ogawa


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): g400, p195, g405, L1134, L1141, L5340
E-mail address: (e-mail address unpublished)
Username Takahiko (entry created on 3/24/2006 14:31:26 UTC)
Database id:871 (entry last modified on 5/3/2021 12:55:00 UTC)
Active primes:on current list: 29 (unweighted total: 29), rank by number 26
Total primes: number ever on any list: 147 (unweighted total: 147)
Production score: for current list 49 (normalized: 88), total 49.4294, rank by score 92
Largest prime: 1455 · 23768024 - 1 ‏(‎1134292 digits) via code L1134 on 5/21/2022 07:39:37 UTC
Most recent: 1485 · 23574333 + 1 ‏(‎1075985 digits) via code L1134 on 5/21/2022 07:58:15 UTC
Entrance Rank: mean 1009.10 (minimum 405, maximum 2885)

Descriptive Data: (report abuse)


Surname: Ogawa (used for alphabetizing and in codes).
Unverified primes are omitted from counts and lists until verification completed.
I am Takahiko Ogawa and I would like to
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