MATH312 December 2005
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The number of primitive roots of 99 is
- (a) 0
- (b) 8
- (c) 34
- (d) 66
- (e) None of the above.
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The number of primitive roots modulo n is equal to provided that for some odd prime p.
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The answer is a = 0
The number of primitive roots modulo n is equal to provided that for some odd prime p. As , we see that n does not take this form and so there are no primitive roots.
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