Manfred Toplic


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): g55
E-mail address:
Web page:
Username: Toplic (entry created on 01/18/00)
Database id:108 (entry last modified on 05/27/21)
Active primes:on current list: 3 (unweighted total: 3), rank by number 286
Total primes: number ever on any list: 15 (unweighted total: 15)
Production score: for current list 44 (normalized: 1), total 44.9511, rank by score 959
Largest prime: 5 · 21320487 + 1 ‏(‎397507 digits) via code g55 on 03/20/02
Most recent: 5 · 21282755 + 1 ‏(‎386149 digits) via code g55 on 06/03/02
Entrance Rank: mean 8.67 (minimum 7, maximum 10)

Descriptive Data: (report abuse)

I am a amateur astronomer and amateur number theorist. I live in Klagenfurt, Austria and was working as a system-administrator in a Bank. Now I am retired, but my interest in prime numbers is still alive !!! On March 2, 1998 I discovered Ten consecutive primes in arithmetic progression using Tony Forbes program CP10.

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