Question

What is pseudo prime number?

(a) is a probable prime and is not a prime number

(b) is a prime number

(c) does not share any property with prime number

(d) none of the mentioned

This question was posed to me during an online exam.

Origin of the question is Number Theory in portion Number Theory and Cryptography of Discrete Mathematics

Answer 1

Correct choice is (a) is a probable prime and is not a prime number

To explain I would say: A pseudo prime number is an integer that shares a property common to all prime number and is not a prime number.