97724...46561 (17103-digits)
This number is a prime.
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In April 2001, Broadhurst & de Water showed that the Fibonacci number F81839 is prime. At that time it was the largest known prime whose proof method was "unpredictable." [Broadhurst and
de Water]
Submitted: 2001-04-24 22:19:22; Last Modified: 2009-05-26 19:45:29.
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