99999...99999 (2493-digits)

This number is a prime.

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This 2493-digit prime number, both a near-repdigit (all the digits except one are the same) and a palindrome, was discovered by Harvey Dubner in 1989. Written out in full it is a string of 1246 9s, an 8, and 1246 9s. [Dobb]

Submitted: 2002-04-13 14:53:23;   Last Modified: 2008-01-30 11:28:00.
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