Michael Shafer


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): G6
E-mail address:
Username Shafer (entry created on 12/2/2003 17:20:06 UTC)
Database id:570 (entry last modified on 3/28/2006 17:16:17 UTC)
Active primes:on current list: 1 (unweighted total: 1), rank by number 539
Total primes: number ever on any list: 1 (unweighted total: 1)
Production score: for current list 52 (normalized: 1453), rank by score 18
Largest prime: 220996011 - 1 ‏(‎6320430 digits) via code G6 on 11/18/2003 01:04:02 UTC
Most recent: 220996011 - 1 ‏(‎6320430 digits) via code G6 on 11/18/2003 01:04:02 UTC
Entrance Rank: mean 1.00 (minimum 1, maximum 1)

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