Check which of these integers are multiplicative inverses of 5 mod 59: 12, 46 and 71?

Question

Check which of these integers are multiplicative inverses of 5 mod 59: 12, 46 and 71?

Answer 1

12 is, as 12 * 5 =60, and 60 is mod 59 is 1

71 is, as 71 mod 59 = 12

46 is not, as it is an integer between 12 and 71, where 71 -12 =59, and 59 is a prime.