Concept — Aritmetica modulare. Featured in chapters 47 Linked atoms 9 linked atoms. 47 Distribuzioni di probabilità Congruences modulo n Fermat’s little theorem and Euler’s theorem Modular arithmetic - sum, product, power Modular inverse with the extended Euclidean algorithm Modular power with Fermat RSA with p=5 and q=7 The RSA algorithm Toy RSA - p=11, q=13 Why Fermat’s little theorem