Fermat's "Little" Theorem states that whenver n is prime and a is an integer, d"-1 = 1 mod n a) If a = 29 and n = 659, then efficiently compute 29658 %3D mod 659 b) If a = 102 and n = 102 · 102177 = 179, then efficiently compute mod 179 Use the Extended Euclidean Algorithm to compute 102- = mod 179. Then 102177 = mod 179. c) If a = 406 and n = 509, then efficiently compute 406510 mod 509
Fermat's "Little" Theorem states that whenver n is prime and a is an integer, d"-1 = 1 mod n a) If a = 29 and n = 659, then efficiently compute 29658 %3D mod 659 b) If a = 102 and n = 102 · 102177 = 179, then efficiently compute mod 179 Use the Extended Euclidean Algorithm to compute 102- = mod 179. Then 102177 = mod 179. c) If a = 406 and n = 509, then efficiently compute 406510 mod 509
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.6: Congruence Classes
Problem 25E
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