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Order and primitive roots

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matqkks
#1
Nov10-13, 07:56 AM
P: 153
What is the most motivating way to introduce the order of a modulo n? Apart from simplifying powers of residues is there any other use of the order? Are there any examples which have a real impact on motivation.
Also why do we teach primitive roots? What is the need for this topic? Is there a really good hook that can used to introduce primitive roots?
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