Mark Rodenkirch


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.)

g238, p95, g319, p117, p137 ... ... p275, L3917, p393, p397, L5342
E-mail address:
Web page:
Username Rodenkirch (entry created on 5/28/2001 16:40:21 CDT)
Database id:313 (entry last modified on 5/3/2021 18:18:15 CDT)
Active primes:on current list: 6.3333 (unweighted total: 7), rank by number 144
Total primes: number ever on any list: 132.833 (unweighted total: 134)
Production score: for current list 48 (normalized: 44), total 48.6998, rank by score 160
Largest prime: 13 · 24998362 + 1 ‏(‎1504659 digits) via code L3917 on 7/15/2014 14:25:05 CDT
Most recent: 64 · 425467857 - 1 ‏(‎1229712 digits) via code p268 on 10/1/2021 07:25:06 CDT
Entrance Rank: mean 535.29 (minimum 35, maximum 1767)

Descriptive Data: (report abuse)

I am the author of MultiSieve, PRPNet, ECMNet, and the mtsieve suite of sieving programs. I also maintain phrot and PFGW.

Surname: Rodenkirch (used for alphabetizing and in codes).
Unverified primes are omitted from counts and lists until verification completed.
I am Mark Rodenkirch and I would like to
Edit this page

Submit primes using the proof-code: (a password will be required)

(Reuse an old code if your are using the same programs, projects... Only create a new code if you are doing something differently than in the past. Duplicate codes will be merged.
Printed from the PrimePages <> © Chris Caldwell.