WHY?

will it end world hunger? settle the world economy crisis (and yes its world wide)? or bring world peace?

what will be the benefit of knowing a 10 million digit prime number exactly?

FOXNews.com - UCLA Mathematicians Discover 13-Million-Digit Prime Number - Science News Science & Technology Technology News:

"The $100,000 prize is being offered by the Electronic Frontier Foundation for finding the first Mersenne prime with more than 10 million digits. The foundation supports individual rights on the Internet and set up the prime number prize to promote cooperative computing using the Web."

Well other than being richer, I mean?