9 = 2^X mod 11
What is X and how do you find X?
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-3
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closed as too localized by David Speyer, Anton Geraschenko♦♦ Nov 28 at 15:39 |
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2
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Although this smells, walks and talks like homework, a good starter could be to read http://en.wikipedia.org/wiki/Discrete_logarithm (For you particular example, try to think how many $X$ you would have to try until you can be sure to have checked all possibilities.) |
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