Robert L. Clark
(Another of the Prime Pages' resources)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

person 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 reflect on the primes currently on the list. (Many of the terms that are used here are explained on another page.)

Proof-code(s): g12, L3972
E-mail address:
Username: Clark (entry created on 01/18/2000)
Database id:61 (entry last modified on 06/30/2018)
Active primes:on current list: 9 (unweighted total: 9), rank by number 116
Total primes: number ever on any list: 88 (unweighted total: 88)
Production score: for current list 46 (normalized: 10), total 47.6365, rank by score 413
Largest prime: 9175 · 21546684 + 1 ‏(‎465603 digits) via code L3972 on 09/30/2019
Most recent: 9175 · 21546684 + 1 ‏(‎465603 digits) via code L3972 on 09/30/2019
Entrance Rank: mean 3059.67 (minimum 2890, maximum 3405)

Descriptive Data: (report abuse)
Robert Clark has been interested in searching for primes since 1967, and is still loving it. He is a retired software engineer,father, writer, birder, choral singer, amateur astronomer, and bon vivant.

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