Un nuovo numero primo !!

Submitted by Rachel on February 7, 2013

The Great Internet Mersenne Prime Search (GIMPS) has done it again! The project has just discovered the largest known prime number: 2^57,885,161-1. This massive 17,425,170 digit number, was discovered to be prime (ie. divisible only by 1 and itself) on 25 January on the idling computer of University of Central Missouri mathematician, Curtis Cooper. As well as a handy $3000 in prize money, Cooper and his university reclaim their position at the top of the GIMPs ladder from previous record holder, UCLA. 

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