1068630

This number is a composite.

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The first five cyclotomic polynomials n - 1, n + 1, n2 + n + 1, n2 + 1 and n4 + n3 + n2 + n + 1 evaluate to prime numbers when n = 1068630, and for no smaller positive integer n. [Hartley]

Submitted: 2006-11-23 02:46:58;   Last Modified: 2008-01-30 11:28:00.
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