Tutorvo

Modular Inverse with the Extended Euclidean Algorithm

Lesson 5 of 816 minLab

This lesson is part of the course

In this lesson

You find the inverse of 17 modulo 3,120 with an extended-Euclid step table: quotients, remainders and the coefficient t that becomes the private key d.

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Lessons in this course

  1. MOD & Clock Arithmetic: Remainders That Wrap AroundLab12 min Locked
  2. Caesar & Affine Ciphers: Letters as NumbersLab15 min Locked
  3. Frequency Analysis: Breaking a Caesar Cipher with COUNTIFLab14 min Locked
  4. GCD & Euclid's Algorithm: A Step TableLab14 min Locked
  5. Modular Inverse with the Extended Euclidean AlgorithmLab16 min Locked
  6. Fast Modular Exponentiation: Square-and-MultiplyLab16 min Locked
  7. Toy RSA: Keys, Encryption & DecryptionLab16 min Locked
  8. Check Digits & Hashing Ideas: ISBN-13 and LuhnLab14 min Locked