Japke Rosink


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): L45, L110, L193, p191
E-mail address:
Username Rosink (entry created on 2/16/2004 09:37:14 UTC)
Database id:602 (entry last modified on 1/10/2008 20:55:12 UTC)
Active primes:on current list: 1 (unweighted total: 1), rank by number 538
Total primes: number ever on any list: 17 (unweighted total: 17)
Production score: for current list 45 (normalized: 2), total 45.5972, rank by score 865
Largest prime: 275293 · 22335007 - 1 ‏(‎702913 digits) via code L193 on 9/21/2006 22:20:24 UTC
Most recent: 275293 · 22335007 - 1 ‏(‎702913 digits) via code L193 on 9/21/2006 22:20:24 UTC
Entrance Rank: mean 20.00 (minimum 20, maximum 20)

Descriptive Data: (report abuse)

Searching for primes in my spare work time.

(2^248949-1)^2-2 = near-repdigit in base 2

Hardly anything, only some small ECM work on Lucas, Fibonacci and Homogeneous Cunningham numbers.

Participated in the 15K Project.
Participated in GIMPS
Participated in RieselSieve (1 prime found)
Participated in SoB
Searched for primes in the form 999*2^n+1
Searched for Carol numbers that are prime.

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