This basic introduction to number theory is ideal for those with no previous knowledge of the subject. The main topics of divisibility, congruences, and the dis

Number theory is one of the few areas of mathematics where problems of substantial interest can be fully described to someone with minimal mathematical backgrou

In response to concerns about teacher retention, especially among teachers in their first to fourth year in the classroom, we offer future teachers a series of

This is a book about prime numbers, congruences, secret messages, and elliptic curves that you can read cover to cover. It grew out of undergr- uate courses tha