What is Modular Exponentiation Calculator and Why it Matters?
Computing a^b mod m efficiently is the core of RSA and many cryptographic protocols.
Mathematical Formula and Theory
Binary exponentiation (square-and-multiply) evaluates the power in O(log b) modular multiplications.
How to Use This Calculator - Step by Step
- Enter base, exponent, and modulus.
- Click Calculate.
Solved Example with Full Calculation
5^{117} mod 19 = 1.