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A Cullen prime is a prime number of the form n*2^n+1. 481899*2^481899+1 is the largest of the 13 known Cullen primes as of January, 2003; it was discovered by Masakatu Morii on Wednesday, September 30, 1998. [Dobb]

Submitted: 2003-01-25 01:42:33;   Last Modified: 2008-01-30 11:28:00.
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