[obm-l] congruência

To: <obm-l@xxxxxxxxxxxxxx>
Subject: [obm-l] congruência
From: "Leo" <topgun.lba@xxxxxxxxx>
Date: Fri, 3 Mar 2006 20:11:25 -0300
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Como resolver a seguinte congruência

10^k cong 8 (mod 23) ... pra k=2 eh verdadeira mas como achar o caso geral???