Elementary methods consist of arithmetic, geometry, and high school algebra. These are the only tools that may be used in the branch of number theory known as elementary number theory.
Elementary Methods
See also
Elementary Number Theory, Elementary ProofExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Elementary Methods." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ElementaryMethods.html