# 6

This number is a composite.

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6 is the smallest value for n such that n-1, n+n^2-1, n+n^2+n^3-1, and n+n^2+n^3+n^4-1 are all primes. [Opao]
Submitted: 2003-12-24 09:44:05; Last Modified: 2008-01-30 17:28:00.

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