Saturday 21 December 2013

world largest Prime number

the world largest Prime number ---

As part of the Great Internet Mersenne Prime Search (GIMPS), a computer program that networks PCs worldwide to collectively hunt for a special type of prime number, Cooper discovered the largest prime number yet late last month: a beast with 17,425,170 digits.

The number -- 2 multiplied by itself 57,885,161 times minus 1, written mathematically as 257,885,161-1 -- is the first prime discovered in four years.

Though there is little mathematical value to finding a single new prime, these rare numbers are prized in their own right by some. "It's sort of like finding a diamond," Caldwell told New Scientist. "For some reason people decide they like diamonds and so they have a value. People like these large primes and so they also have a value."

 http://www.shoothill.com/DeepZoomPrime/

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