Ryo Takahashi

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):	L3155, L3626, L5604, L5766
E-mail address:	(e-mail address unpublished)
Username	RTakahashi	(entry created on 5/29/2012 15:57:46 UTC)
Database id:	3575	(entry last modified on 4/2/2023 21:37:35 UTC)
Active primes:	on current list: 3 (unweighted total: 3), rank by number 269
Total primes:	number ever on any list: 7 (unweighted total: 7)
Production score:	for current list 47 (normalized: 9), total 47.8113, rank by score 417
Largest prime:	187007398¹³¹⁰⁷² + 1 ‏(‎1084210 digits) via code L5604 on 1/3/2024 18:07:22 UTC
Most recent:	9875 · 2^2253849 + 1 ‏(‎678481 digits) via code L5766 on 3/15/2025 00:12:34 UTC
Entrance Rank:	mean 2263.67 (minimum 842, maximum 4855)

Surname: Takahashi2 (used for alphabetizing and in codes).
Unverified primes are omitted from counts and lists until verification completed.

I am Ryo Takahashi and I would like to

(Reuse an old code if your are using the same programs, projects... Only create a new code if you are doing something differently than in the past. Duplicate codes will be merged.