12345...67897 (118-digits)

This number is a prime.

                        12345678 9123456789 1234567891 2345678912 3456789123
4567891234 5678912345 6789123456 7891234567 8912345678 9123456789 1234567897

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The smallest prime formed by repeating k times the sequence of positive digits and followed by a digit d, (k=13, d=7). [Loungrides]