9209

This number is a prime.

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abs(n^4 - 97n^3 + 3294n^2 - 45458n + 213589) is one of the best prime-generating polynomials known, producing 50 different primes as the value of n ranges from 0 to 49 - one of which (when n=22) is 9209. The 50 generated primes, in order, are: 213589, 171329, 135089, 104323, 78509, 57149, 39769, 25919, 15173, 7129, 1409, 2341, 4451, 5227, 4951, 3881, 2251, 271, 1873, 4019, 6029, 7789, 9209, 10223, 10789, 10889, 10529, 9739, 8573, 7109, 5449, 3719, 2069, 673, 271, 541, 109, 1949, 5273, 10399, 17669, 27449, 40129, 56123, 75869, 99829, 128489, 162359, 201973, 247889. [Keith]

Submitted: 2024-01-09 21:58:40;   Last Modified: 2024-01-09 23:52:13.
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