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B Using modular arithmetic.

  1. Oct 18, 2016 #1
    I am new to number theory and I heard from my friend that we can use modular arithmetic to conveniently find the unit digit of a number or the remainder obtained on dividing a number by another number such as the remainder obtained on dividing (x^y) by a. Is it possible?How can we do this?
  2. jcsd
  3. Oct 18, 2016 #2


    Staff: Mentor

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