Cryptography, Security, Math, Encryption, Data Security.
product of 1. In other words, it is the reciprocal of the number. For example, the multiplicative inverse of 2 is 1/2, because 2 multiplied by 1/2 is equal to 1. Extrapolating this idea to including a modulo would mean that if e is relatively prime (co-prime) to φ(n), i.e. gcd(e, φ(n)) = 1, then