3
This number is a prime.
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It is conjectured that the Erdős-Moser equation
1k+2k+...+(m-1)k
= mk has an integer solution
only for m = 3: 11 +
21 =
31. [Capelle]
Submitted: 2009-07-28 19:58:17; Last Modified: 2009-07-28 20:41:51.
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