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Tom Greer


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

Proof-code(s): L2035, L2125, L4245, L4398, L4972, L5120, L5161
E-mail address: (e-mail address unpublished)
Username: TGreer (entry created on 01/12/2011)
Database id:2656 (entry last modified on 10/20/2020)
Active primes:on current list: 95 (unweighted total: 95), rank by number 9
Total primes: number ever on any list: 326 (unweighted total: 326)
Production score: for current list 52 (normalized: 2157), total 52.0813, rank by score 18
Largest prime: 2805222 · 55610444 + 1 ‏(‎3921539 digits) via code L4972 on 09/03/2019
Most recent: 561 · 22964753 + 1 ‏(‎892483 digits) via code L5161 on 02/19/2021
Entrance Rank: mean 1675.63 (minimum 21, maximum 4180)

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