Proposition: Congruence Modulo a Divisor

Let $a,b$ be integers and $n > 0, m > 0$ be positive integers with $m\mid n,$ i.e. $m$ being a divisor of $n.$ Then $$\begin{array}{c}a(n)\equiv b(n)\\ \Longrightarrow\\ (a)(m)\equiv(b)(m). \end{array}$$

Proofs: 1

Proofs: 1 2 3 4 5


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References

Bibliography

  1. Landau, Edmund: "Vorlesungen über Zahlentheorie, Aus der Elementaren Zahlentheorie", S. Hirzel, Leipzig, 1927
  2. Jones G., Jones M.: "Elementary Number Theory (Undergraduate Series)", Springer, 1998