### Largest prime yet found

I know I'm late at blogging about this but here goes anyway. Curtis Cooper at the University of Central Missouri in Warrensburg has found the

(He hasn't found

It is a Mersenne prime, which means it is of the form

So no, I'm not going to type it out here! Writing it in the form 257,885,161 − 1 is way handier, isn't it? Shows us how important exponents are. So, this new prime is 2 multiplied by itself 57,885,161 times, and then you subtract 1.

This is what Cooper himself says about the hunt for new primes:

"Every time I find one it is incredible," Cooper said. "I kind of consider it like climbing Mount Everest or finding a really rare diamond or landing somebody on the moon. It's an accomp…

**largest prime number yet.**(He hasn't found

*the*largest prime as there is no such thing -- he's just found a new prime that is larger than any other primes people have found.)It is a Mersenne prime, which means it is of the form

**2P − 1**, where P itself is prime. The one Cooper found is**257,885,161 − 1**, and it has**17 million digits!!**So no, I'm not going to type it out here! Writing it in the form 257,885,161 − 1 is way handier, isn't it? Shows us how important exponents are. So, this new prime is 2 multiplied by itself 57,885,161 times, and then you subtract 1.

This is what Cooper himself says about the hunt for new primes:

"Every time I find one it is incredible," Cooper said. "I kind of consider it like climbing Mount Everest or finding a really rare diamond or landing somebody on the moon. It's an accomp…