The book is now available! 2981997480
(another Prime Pages' Curiosity)
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+ The first seven cyclotomic polynomials n - 1, n + 1, n2 + n + 1, n2 + 1, n4 + n3 + n2 + n + 1, n2 - n + 1 and n6 + n5 + n4 + n3 + n2 + n + 1 evaluate to prime numbers when n = 2981997480, and for no smaller positive integer n. [Hartley]

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