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): p392, p393, p403, p405, p424, p432
E-mail address: (e-mail address unpublished)
Web page:
Username cksieve (entry created on 5/21/2016 15:20:24 UTC)
Database id:4589 (entry last modified on 5/18/2023 08:33:53 UTC)
Program Does *: sieve
Active primes:on current list: 11, rank by number 26
Total primes: number ever on any list: 22
Production score: for current list 49 (normalized: 67), total 49.2037, rank by score 24
Largest prime: (10859669 - 1)2 - 2 ‏(‎1719338 digits) via code p405 on 5/25/2022 10:49:34 UTC
Most recent: (263488719 + 1)2 - 2 ‏(‎606948 digits) via code p432 on 5/18/2023 11:23:19 UTC
Entrance Rank: mean 1804.36 (minimum 245, maximum 3991)
Unprocessed: prime submissions still untested or inprocess: 1.

Descriptive Data: (report abuse)

This program is a sieve for near square numbers of the form (b^n-1)^2-2 and (b^n+1)^2-2. Primes of this form are also known as Carol or Kynea primes.

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