18885

This number is a composite.

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The Woodall prime 18885*2^18885-1 was discovered by Wilfrid Keller in 1987; it was the 43rd largest known prime as of August 1989 according to a list of titanic primes compiled by Samuel Yates. [Dobb]

Submitted: 2002-04-30 04:43:32;   Last Modified: 2009-01-20 21:48:25.
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