12346...97277 (38-digits)

This number is a prime.

                                   12346811 1316182628 3638474853 5762697277

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A prime number that is the concatenation of the first 22 Ulam numbers. [Hartley]

Submitted: 2003-03-05 23:25:07;   Last Modified: 2008-01-30 11:28:00.
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