12233...67777 (28-digits)

This number is a prime.

                                              12233344 4455555666 6677767777

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The smallest prime that consists of the digits 1 thru 7, d times each digit d. [Loungrides]

Submitted: 2011-02-16 22:13:52;   Last Modified: 2016-07-29 09:56:07.
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