Megaprime
From Wikipedia, the free encyclopedia
A megaprime is a prime number with at least one million decimal digits[1] (whereas titanic prime is a prime number with at least 1000 digits, and gigantic prime has at least 10000 digits).
There are infinitely many primes and therefore infinitely many megaprimes. As of May 2008, sixteen megaprimes are known.[2] The first known was the Mersenne prime 26972593−1 with 2,098,960 digits, discovered in 1999 by Nayan Hajratwala, a participant in the distributed computing project GIMPS.[3][4]
[edit] References
- ^ Chris Caldwell, The Prime Glossary: megaprime at The Prime Pages. Retrieved on 2008-01-04.
- ^ Chris Caldwell, Largest Known Primes at The Prime Pages. Retrieved on 2008-05-11.
- ^ GIMPS press release, GIMPS Finds First Million-Digit Prime. Retrieved on 2008-01-04.
- ^ Chris Caldwell, The Largest Known Prime by Year: A Brief History at The Prime Pages. Retrieved on 2008-01-04.
[edit] External links
- Chris Caldwell, The Largest Known Primes Database at The Prime Pages.
- PrimeGrid’s 321 Prime Search, about the discovery of 3×24235414−1.
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