The Largest Known Primes Database : The "Guinness book" of prime number records! Includes the 5000 largest known primes and smaller ones of selected forms ... - read more
Large distributed project to primality test all Mersenne numbers. - read more
Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about list all the prime numbers between 20 and 40.