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This page contains all of the posts and discussion on MemeStreams referencing the following web page: World's largest known prime number found. You can find discussions on MemeStreams as you surf the web, even if you aren't a MemeStreams member, using the Threads Bookmarklet.

World's largest known prime number found
by dmv at 3:24 pm EST, Mar 29, 2005

] The number, rendered in exponential shorthand, is
] 2^(25,964,951)-1. It has 7,816,230 digits, and if printed in
] its entirety, would fill 235 newspaper pages.
]
] In addition, it falls in a rare category of primes known
] as Mersenne primes, which can be written as 2n-1 where n
] is also prime.
]
] The first few Mersenne primes are easily verifiable --
] inserting 2, 3 and 5 for n produces 3, 7 and 31, all
] prime -- but the math quickly becomes overwhelming for
] larger values.


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