I think everyone loves primes. Well, at least most people do. I feel a bit nerdy, though, because I have the wonderful msieve integer factorizator installed on my computer and use it, well, mostly for fun and curiosity.

For testing it a bit more, and to get kind of an update on security considerations, I've hacked together a small program to generate large semiprimes (using OpenSSL, of course). For your semiprime-generation needs, its here:

Well, now for the product of a 120 bit prime with a 111 bit prime, 70-digit decimal number, msieve takes on my MacBook, well, about a single minute. That's kind of impressive to me. And shows how ridiculous 110 bits would be when used for asymmetric encryption.