⚡ Power Mod Calculator

Calculate modular exponentiation

How to Use This Calculator

1

Enter a, b, n

Input base, exponent, and modulus.

2

Get Result

See a^b mod n using fast exponentiation.

Modular Exponentiation

a^b mod n

Example: 5^7 mod 13

Uses binary exponentiation for efficiency

Result: 5^7 mod 13 = 8

About Power Mod Calculator

The Power Mod Calculator computes modular exponentiation (a^b mod n) using fast binary exponentiation for efficient calculation.

When to Use This Calculator

  • Cryptography: RSA, Diffie-Hellman
  • Number Theory: Modular arithmetic
  • Education: Learn modular exponentiation

Why Use Our Calculator?

  • Fast Algorithm: Binary exponentiation
  • Efficient: Handles large exponents
  • Educational: Learn modular arithmetic
  • Completely Free: No registration required

Frequently Asked Questions

What is modular exponentiation?

Computing a^b mod n efficiently. Used in cryptography (RSA, DH) and number theory. Uses binary method for speed.