68000...00009 (139-digits)

This number is a prime.

 680000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000009

+ Smallest holey prime of the form 68*10^n+9. [Honaker]

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