29999...99999 (208-digits)

This number is a prime.

  29999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999999

+ The smallest near-repdigit prime p greater than a googol of the form p=3*10^n-1 (case n=207). [Loungrides]

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