Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. The Prime Pages: Prime Number Research, Records, and Resources This site provides a short explanation and history of prime numbers, how to prove primality, and the nature of prime number infinity. Includes charts of the 10 largest known prime numbers and the 10 largest known twin primes, as well as lists of the first 1,000 primes, primes over 20,000 digits, and palindromic prime U.S. ZIP codes. Features a FAQ, a glossary, and related links. From a mathematics professor at the University of Tennessee. http://primes.utm.edu/ Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *