Mathematical Sciences Classification System

11Axx - Elementary number theory
{For analogues in number fields, see 11R04}

  • 1
    11A05
    Multiplicative structure; Euclidean algorithm; greatest common divisors
  • 4
    11A07
    Congruences; primitive roots; residue systems
  • 3
    11A15
    Power residues, reciprocity
  • 3
    11A25
    Arithmetic functions; related numbers; inversion formulas
  • 13
    11A41
    Primes
  • 7
    11A51
    Factorization; primality
  • 13
    11A55
    Continued fractions {For approximation results, see 11J70} [See also 11K50, 30B70, 40A15]
  • 11A63
    Radix representation; digital problems {For metric results, see 11K16}
  • 11A67
    Other representations
  • 11A99
    None of the above, but in this section

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