### A quite long prime

Mathematicians at UCLA have verified now the largest known prime number, 13 million digits long!

It's a Mersenne prime, in the form 2

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This kind of prime hunting requires a network of computers running together to do the massive amounts of calculations.

It's a Mersenne prime, in the form 2

^{p}− 1. This new prime is 2^{43,112,609}− 1. (And no, you can't put it in your calculator and get an answer... )Read the news story

This kind of prime hunting requires a network of computers running together to do the massive amounts of calculations.