in my basement.
No seriously, A team from Central Missouri State University who programmed a network of computers several years ago have hit paydirt. in mid-December, researchers found the world’s largest prime number, known as M30402457. That’s the same as 2 to the 30,402,457th power minus one, a number that is 9.1 million digits long.
You can read more about it over at CIO-Today.
Just in case you’ve forgotten basic math a prime number is a whole number greater than 1 that can only be divided evenly by itself and 1 (e.g., 17).