Charles H (Chuck) Lasher


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): L102, p183, p367, p372, p374, c74, c85, E6
E-mail address: (e-mail address unpublished)
Username Lasher (entry created on 1/16/2005 12:53:01 CDT)
Database id:726 (entry last modified on 6/25/2022 17:57:21 CDT)
Active primes:on current list: 9.5 (unweighted total: 19), rank by number 106
Total primes: number ever on any list: 23.3333 (unweighted total: 40)
Production score: for current list 35 (normalized: 0), total 43.9930, rank by score 1039
Largest prime: 10360360 - 10183037 - 1 ‏(‎360360 digits) via code p374 on 3/13/2014 14:53:29 CDT
Most recent: p(130242827) ‏(‎12705 digits) via code c85 on 11/12/2017 18:43:32 CDT
Entrance Rank: mean 67654.05 (minimum 61592, maximum 70043)

Descriptive Data: (report abuse)

I am an independent prime researcher. I write my own custom sieves/tools as needed..... all as a 'hobby' from my real job. :)

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