Ray Ballinger


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): g23, p13, g423
E-mail address: rballinger@gmail.com
Web page:http://www.mritutor.org/ray.html
Username Ballinger (entry created on 1/18/2000 12:50:53 CDT)
Database id:72 (entry last modified on 8/7/2014 23:53:19 CDT)
Active primes:on current list: 1 (unweighted total: 1), rank by number 542
Total primes: number ever on any list: 867 (unweighted total: 867)
Production score: for current list 36 (normalized: 0), total 44.7277, rank by score 1047
Largest prime: 152713 · 21154707 - 1 ‏(‎347607 digits) via code g23 on 10/23/2004 12:39:14 CDT
Most recent: 127 · 2925012 + 1 ‏(‎278459 digits) via code g423 on 11/4/2009 21:01:09 CDT
Entrance Rank: mean 23.00 (minimum 23, maximum 23)

Descriptive Data: (report abuse)

Courtesy Clinical Assistant Professor of Radiology at the University of Florida; Gainesville, FL, USA Staff Radiologist, Portland VA Medical Center Clinical Assistant Professor of Radiology at Oregon Health and Science University.

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