Campbell, Duff

An open door to number theory - 1 online resource (xii, 283 pages : illustrations) - AMS/MAA Textbooks, v. 39 2577-1213 ; .

9781470446840 (online)


Euclidean algorithm
greatest common divisors.
Number theory
Number theory -- Elementary number theory -- Multiplicative structure
Number theory -- Instructional exposition (textbooks, tutorial papers, etc.).