77777...25237 (100-digits)

This number is a prime.

                                            7777777777 7777777777 7777777777
7777777777 7777777777 7777777777 7777777777 7777777777 7777777777 7777525237

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The largest prime-digit prime less than a googol containing all prime digits (2, 3, 5, 7). [Loungrides]

Submitted: 2010-05-25 02:54:16;   Last Modified: 2010-05-25 11:01:07.
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