Question

All prime numbers are

• A. even numbers
• B. odd numbers
• C. composite numbers
• D. odd numbers except 2

Answer 1

The correct option is D odd numbers except 2

Prime numbers are $2,3,5,7,11,13,....$

Only $2$ is an even number and others are odd numbers.

So, all prime numbers are odd numbers except for $2$.

Hence, correct answer is option D.