12345...34567 (70-digits)

This number is a prime.

1234567891 2345678912 3456789123 4567891234 5678912345 6789123456 7891234567

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The sequence 123456789 repeated seven times, followed by 1234567, is prime. [Goltz]

Submitted: 2001-11-26 21:37:43; Last Modified: 2008-01-30 17:19:33.