Prime Generating Formulas:
http://mathworld.wolfram.com/Prime-GeneratingPolynomial.html
http://discovermagazine.com/2005/jan/prime-time-news/
http://www.mersenneforum.org/showthread.php?t=946 (Look at HiddenWarrior's formulas)
http://www.mersenneforum.org/showthread.php?t=6416
http://en.wikipedia.org/wiki/Ulam_spiral
http://en.wikipedia.org/wiki/Formula_for_primes
http://mathworld.wolfram.com/PrimeArithmeticProgression.html
Arithmetic Progressions: http://primes.utm.edu/primes/search.php
http://primes.utm.edu/glossary/xpage/Illegal.html
http://www.alpertron.com.ar/GOOGOL.HTM
http://www.alpertron.com.ar/GOOGOL2.HTM
Top 20 Primes: http://primes.utm.edu/top20/index.php
Curios: http://primes.utm.edu/curios/
Top 5000: http://primes.utm.edu/largest.html
Probable Primes: http://www.primenumbers.net/prptop/prptop.php