77777...77779 (102-digits)

This number is a prime.

                                         77 7777777777 7777777777 7777777777
7777777777 7777777777 7777777777 7777777777 7777777777 7777777777 7777777779

+ The smallest near-repdigit prime greater than a googol found in the sequence 9, 79, 779, 7779, 77779, 777779, 7777779, etc. [Bajpai]

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