77777...77777 (79-digits)

This number is a prime.

                                                                   777777777
7777777777 7777777777 7777777777 8777777777 7777777777 7777777777 7777777777

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The largest near-repdigit palindromic wing prime, less than a googol, containing 7's. [Loungrides]

Submitted: 2009-04-20 10:20:25;   Last Modified: 2009-04-20 20:34:10.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell