Thomas R. Nicely - Includes twin prime counts, tables of first occurrence prime gaps, papers. The Prime Puzzles & Problems Connection - Carlos Rivera's collection of problems and puzzles related to prime numbers. Notes and Literature on Prime Numbers - With applets to demonstrate properties of primes. Entropy and Prime Numbers - Entropy of a nonnegative adjacency matrix related to prime numbers. Some Prime Numbers - Sieves and factoring for small numbers. Download primes below 8 billion. MacTutor History of Mathematics: Prime Numbers - Includes biographies on many mathematicians. Applets for Prime Numbers - Factorization and weights of Proth coefficients. Visualizing the Distribution of Prime Numbers - Investigation into patterns in the distribution of the primes by visualizing them. Ask Dr. Math FAQ: Prime Numbers - Archived questions and answers at different levels. World of Numbers: World of Palindromic Primes - Records, statistics, curios and puzzles about primes reading the same backwards. Compiled by Patrick De Geest. Introduction to Twin Primes and Brun's Constant - An article by Pascal Sebah with the results of computation of the twin primes up to 5.10^15. Generalized Woodall Numbers - An organized search for primes of the form n*b^n-1. The Nine and Ten Primes Project - The discovery of nine and finally ten consecutive primes in arithmetic progression. Prime Numbers List - Browse all prime numbers of less than 10 digits. A prime number checker facility is also included. K-Tuple Permissible Patterns - Findings using an exhaustive search by Thomas J Engelsma. The Prime Machine - Explore interactively the Goldbach conjecture, the distribution of prime twins, the prime number theorem. Number Spiral - Explains this method of visually representing the distribution of primes and the relationships between factors and products. Primality - Introductory text on the theory of prime numbers and number fields. Contains proofs of some important theorems including the fundamental theorem of arithmetic. The Prime Pages - Prime number research, records and resources. Includes largest known primes, finding and proving primes, glossary, curios, links. MathWorld: Prime Numbers - Index to hundreds of prime-related articles in Eric Weisstein's MathWorld. Wikipedia: Prime Numbers - Index to many prime-related articles. Generalized Fermat Prime Search - Software, results and other resources. Animation of Eratosthenes' Prime Sieve - An interactive animation of the sieve of Eratosthenes to obtain prime numbers (JavaScript required). Natural Numbers - Provides a collection of tools and interesting pages for testing, visualizing, and understanding natural numbers. Prime Numbers Generator and Checker - Enter a natural number, check it and find the nearest prime. Gebhard Glöggler - Makes a statement about the number of primes between the squares of odd numbers, and provides a proof of Goldbach's conjecture. Are the Prime Numbers Randomly Distributed? - Web article by Johan G. van der Galiën. Shows that smaller starting digits are more common for primes below 10^9. Introductory Prime Number Theory Resources - Notes and links compiled by Mark Watkins on the relation of the Riemann zeta function to the distribution of prime numbers. Riesel Prime Database - The "Riesel Prime Search" project is searching for primes of the form k·2^n-1, odd k. Prime k-tuplets - Tony Forbes' extensive collection of special types of prime clusters. Prime Numbers and Factoring - Links and references related to primes and factoring.