22222...99999 (25-digits)

This number is a prime.

                                                 22222 2222222299 9999999999

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The only prime formed from a "baker's dozen" of n's followed by a dozen of k's (case n=2, k=9). [Loungrides]

Submitted: 2010-11-23 18:44:56;   Last Modified: 2018-12-23 01:51:47.
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