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13 Million-Digit Prime Number Found

September 29, 2008

By – The Associated Press

LOS ANGELES – Mathematicians at UCLA have discovered a 13- million-digit prime number, a long-sought milestone that makes them eligible for a $100,000 prize.

The group found the 46th known Mersenne prime last month on a network of 75 computers running Windows XP. The number was verified by a different computer system running a different algorithm.

“We’re delighted,” said UCLA’s Edson Smith, the leader of the effort. “Now we’re looking for the next one, despite the odds.”

It’s the eighth Mersenne prime discovered at UCLA.

(c) 2008 Sunday Gazette – Mail; Charleston, W.V.. Provided by ProQuest LLC. All rights Reserved.




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