Which of the following can be used to illustrate that not all prime numbers are odd?

A) 1	B) 2
C) 3	D) 4

Answer: B) 2

Explanation:

The only even numbers in the list are 2 and 4, but 4 is not a prime. So 2 can be used to illustrate the statement that all primes are not odd.

Subject: Numbers
Exam Prep: GRE