Find all positive integers n such that Z n contains a subring isomorphic to Z 2 .

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Find all positive integers n such that Z_n contains a subring isomorphic to Z₂.

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A First Course In Abstract Algebra

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7th Edition

Authors: John Fraleigh

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Find all positive integers n such that Z n contains a subring isomorphic to Z 2 .

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A First Course In Abstract Algebra

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