Number Theory
The study of the integers and their properties.
Articles (2)
- Euler's Totient Function
The function φ(n) counting the integers between 1 and n that are coprime to n, a cornerstone of modular arithmetic and the basis of RSA encryption. - Fundamental Theorem of Arithmetic
The theorem that every integer greater than 1 factors uniquely into primes, up to the order of the factors.