25000...00001 (9292-digits)

This number is a prime.

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1 + 1^3 + 2^3 + 3^3 + 4^3 + ... + (10^2323)^3 is a proven prime by the Brillhart-Lehmer-Selfridge theorems. [Burns]

Submitted: 2008-07-18 16:51:14; Last Modified: 2008-08-12 01:06:50.