Donald Hatland


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): L1189, L875
E-mail address:
Web page:
Username Hatland (entry created on 1/8/2010 02:42:01 UTC)
Database id:2094 (entry last modified on 6/8/2023 01:19:08 UTC)
Active primes:on current list: 2 (unweighted total: 2), rank by number 365
Total primes: number ever on any list: 23 (unweighted total: 23)
Production score: for current list 47 (normalized: 18), total 47.9390, rank by score 323
Largest prime: 253 · 24358512 + 1 ‏(‎1312046 digits) via code L875 on 11/11/2023 20:18:00 UTC
Most recent: 253 · 24358512 + 1 ‏(‎1312046 digits) via code L875 on 11/11/2023 20:18:00 UTC
Entrance Rank: mean 832.50 (minimum 503, maximum 1162)

Descriptive Data: (report abuse)

Location: Sioux City, IA

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