Henri Lifchitz


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.)

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Proof-code(s): g2, L, p4, c73
E-mail address: henri.lifchitz@gmail.com
Web page:http://www.primenumbers.net/Henri.html
Username Lifchitz (entry created on 1/18/2000 18:50:53 UTC)
Database id:49 (entry last modified on 5/26/2014 20:40:59 UTC)
Active primes:on current list: 0.5 (unweighted total: 1), rank by number 1042
Total primes: number ever on any list: 1384 (unweighted total: 1471)
Production score: for current list 33 (normalized: 0), total 39.9006, rank by score 1049
Largest prime: 2 · 698898 - 1 ‏(‎76958 digits) via code L on 1/8/2003 10:16:36 UTC
Most recent: V(94823) ‏(‎19817 digits) via code c73 on 5/26/2014 20:44:48 UTC
Entrance Rank: mean 58035.00 (minimum 58035, maximum 58035)

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Henri Lifchitz is french electronic engineer (ENSEA). He was born in Paris in 1948, married and has two children. He is interested in computational number theory, algorithms, arithmetic functions and especially Pi(n). He has studied Fibonnacci and Lucas numbers and published a table of primes below 20*10^6 in 1971. His son Renaud (born in 1982) is also a prime hobbyist.

Surname: Lifchitz (used for alphabetizing and in codes).
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