This software determines when Zn is the only group of

Chapter 7, Problem 1CE

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This software determines when Zn is the only group of order n in the case that n=pq where p and q are primes and p < q.Run the software for n = 3*5, 3*7, 3*11, 3*13, 3*17, 3*31, 5*7, 5*11, 5*13, 5*17, 5*31, 7*11, 7*13, 7*17, 7*19, and 7*43. Conjecture a necessary and sufficient condition about p and q for Zpq to be the only group of order pq, where p and q are distinct primes.

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