There's a new behemoth in the ongoing search for ever-larger prime numbers — and it's nearly 25 million digits long. A prime is a number that can be divided only by two whole numbers: itself and 1.

A new prime number has been discovered that is more than 16 million digits larger than the largest prime number ever found. The number is 2^136279841-1, which is 41,024,320 decimal digits and would ...

Somewhere out there on the number line, huge prime numbers are lurking, waiting to be discovered. On Wednesday, a new one was. The Great Internet Mersenne Prime Search, an organization devoted to ...