112643

This number is a prime.

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A common prime factor of (17³³¹³ - 1)/(17 - 1) and (3313¹⁷ - 1)/(3313 - 1) found by N. M. Stephens in 1971. It is a counterexample to the Feit-Thompson conjecture. [Post]

Submitted: 2000-01-05 01:22:17; Last Modified: 2008-08-01 01:23:33.