97775...31111 (25-digits)

This number is a prime.

                                                 97775 5555333333 1111131111

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The largest odd-digit prime using each odd digit a number of times equal to its complement. [Loungrides]

Submitted: 2011-01-09 12:01:34;   Last Modified: 2016-07-30 00:30:05.
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