Factor – A Game of Primes has been updated. The idea of the game is that you need to factor a very large number which is a multiple of the first 8 primes: 2, 3, 5, 7, 11, 13, 17, and 19.

http://dl.openhandhelds.org/cgi-bin/wiz.cgi?0,0,0,0,37,374