663552

This number is a composite.

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3^(2^3 x 3^4) - 2 is prime and 3^(2^3 x 3^4 x 4^5) - 2 = 3^663552 - 2 has no prime factor less than 2^32. [Kulsha]

Submitted: 2001-02-10 00:21:15; Last Modified: 2008-01-30 17:28:00.