This month, GIMPS, the Great Internet Mersenne Prime Search, announced the discovery of the largest known prime number: 2^74,207,281-1. That's two, multiplied 74,207,281 times, with 1 ...

There are infinitely many prime numbers, but the biggest one we know of goes by the name M136279841 and contains more than 41 million digits. When you purchase through links on our site, we may earn ...