For many employed Joes and Janes, Friday signals the end of the work week and is reason enough to celebrate. However, if you're looking for an additional reason to get your groove on heading into the weekend, go out and celebrate Pi Day, otherwise known as March 14th, or 3.14 (get it?). Some even began celebrating yesterday, such as AirSign, an aerial advertising company, which was forced by Mother Nature to get things going early.
It took five years to discover a prime number larger than the last record holder.
Mathematically speaking, there is an infinite allotment of prime numbers, it's just that finding new ones requires some heavy duty number crunching. Curtis Cooper, a mathematician at the University of Central Missouri, has found three of them through the Great Internet Mersenne Prime Search (GIMPS), a distributed computing project like Folding@Home and SETI, but with the sole goal of discovering Mersenne prime numbers. Cooper's latest find is 17,425,170 digits long.