a^φ(n) ≡ 1 (mod n)Variables
- a, n
- coprime positive integers
- φ
- Euler totient
Reference details
- Subject
- Number Theory
- Topic
- modular arithmetic
- Plain text
a^phi(n) congruent 1 mod n
Number Theory · modular arithmetic
Gives a modular-power identity when a and n are coprime.
a^φ(n) ≡ 1 (mod n)a^phi(n) congruent 1 mod n