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339126523890 (another Prime Pages' Curiosity) |
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The first eight cyclotomic polynomials n - 1,
n + 1, n2 + n + 1,
n2 + 1, n4 +
n3 + n2 + n + 1,
n2 - n + 1, n6 +
n5 + n4 +
n3 + n2 + n + 1
and n4 + 1 evaluate to prime numbers when n = 339126523890,
and for no smaller positive integer n. [Hartley]
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