Megaprime
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(Redirected from Mega prime)
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 January 2009[update], 22 megaprimes are known.[2] The first to be found 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]
The term bevaprime has also been proposed as a term for a prime with at least 1,000,000,000 digits.[4]
[edit] See also
[edit] References
- ^ Chris Caldwell, The Prime Glossary: megaprime at The Prime Pages. Retrieved on 2008-01-04.
- ^ Chris Caldwell, The Largest Known Primes at The Prime Pages. Retrieved on 2009-01-05.
- ^ GIMPS press release, GIMPS Finds First Million-Digit Prime. Retrieved on 2008-01-04.
- ^ a b Chris Caldwell, The Largest Known Prime by Year: A Brief History at The Prime Pages. Retrieved on 2008-09-28.
[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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