68000...00009 (139-digits)
This number is a prime.
680000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000009
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Smallest holey prime of the form 68*10^n+9. [Honaker]
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