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  3. which positive integers n, where 20 ? n ? 30, have

Which positive integers n, where 20 ? n ? 30, have primitive roots?

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Advance Math

Which positive integers n, where 20 ? n ? 30, have primitiveroots?

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4.1 Ratings (506 Votes)
Let us give a solution using Group TheoryResult The multiplicative group Zn a inZn gcdan 1 of invertible elements ofZn is cyclic iff n2 or 4 or pk or2pk for some    See Answer
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