2357

This number is a prime.

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The polynomial (-X^3 + 9*X^2 - 14*X + 18)/6 produces 2, 3, 5, 7 for x = 1, 2, 3, 4. [Gaydos]

Submitted: 2018-04-06 02:19:52; Last Modified: 2018-04-06 02:25:09.