Understanding Prime Numbers and Their Properties

What is the defining characteristic of a prime number?

• It is a whole number greater than 1 with exactly two factors: itself and 1.

• It is any whole number that can only be divided by 1.

• It is a number that has more than two factors.

• It is always an odd number.

How many factors does a prime number have?

• One

• Two

• Three

• Four

Why is the number 1 not considered a prime number?

• It is an odd number.

• It has only one factor, not two distinct factors.

• It is not a whole number.

• It is too small to be prime.

Which of the following numbers is a prime number?

• 4

• 9

• 13

• 15

Which of these numbers is NOT among the first ten prime numbers listed?

• 17

• 23

• 27

• 29