Jeffrey Young

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):	Y, BY
E-mail address:	(e-mail address unpublished)
Web page:	none
Username	Young	(entry created on 1/18/2000 18:50:53 UTC)
Database id:	38	(entry last modified on 3/28/2006 17:16:17 UTC)
Active primes:	on current list: 5 (unweighted total: 5), rank by number 174
Total primes:	number ever on any list: 5017 (unweighted total: 5028)
Production score:	for current list 36 (normalized: 0), total 41.0431, rank by score 1032
Largest prime:	3 · 2³⁰³⁰⁹³ + 1 ‏(‎91241 digits) via code Y on 1/1998
Most recent:	39 · 2⁷⁷²⁴² + 1 ‏(‎23254 digits) via code Y on 10/1/1998
Entrance Rank:	mean 260.60 (minimum 20, maximum 599)

Descriptive Data: (report abuse)

Jeff Young is a systems analyst at Cray Research, Inc. He received his MS in Math from Illinois Institute of Technology in 1982. He is the discoverer of many of the largest known Fermat factors.

Surname: Young (used for alphabetizing and in codes).
Unverified primes are omitted from counts and lists until verification completed.

I am Jeffrey Young and I would like to

(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.