[Xyzzy]

Originally Posted by jasong

I would also be interested in people's opinions of how big a hard drive you would need to store all the primes from 2 to, say, 2^100 in uncompressed form with a byte between them.

http://www.mersenneforum.org/showthread.php?t=3861
especially post #9

http://www.mersenneforum.org/showthread.php?t=1768