CHEN Xin 1, LI Bao-hong 2. Laws for periods of elements in Z/(n)[J]. Journal of Xinyang Normal University (Natural Science Edition), 2000, 13(1): 4-6.
Citation: CHEN Xin 1, LI Bao-hong 2. Laws for periods of elements in Z/(n)[J]. Journal of Xinyang Normal University (Natural Science Edition), 2000, 13(1): 4-6.

Laws for periods of elements in Z/(n)

  • It is proved that an element x in the residual ring Z/(n) has a period if and only if n/ gcd (x,n) and gcd(x,n) are relatively prime.Some necessary and sufficent conditions under which T is the period of some elements in Z/(n) are given.
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