If the multiplicative inverse of “53 modulo 21” exists, then which of the following is true?
Posted: Thu Jul 14, 2022 9:01 am
a) GCD(53,21) = 1
b) GCD(53,21) = 29
c) GCD(53,21) = 53
d) GCD(53,21) = 12
b) GCD(53,21) = 29
c) GCD(53,21) = 53
d) GCD(53,21) = 12