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Introduction to number theory
Introduction to number theory

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Learning outcomes

After studying this course, you should be able to:

  • find quotients and remainders from integer division

  • apply Euclid’s algorithm and backwards substitution

  • understand the definitions of congruences, residue classes and least residues

  • add and subtract integers, modulo n, multiply integers and calculate powers, modulo n

  • determine multiplicative inverses, modulo n and use to solve linear congruences.