Understanding Prime Numbers

What is a prime number?

• A number greater than one that is divisible only by itself and one

• A number that is divisible by any number

• A number that is divisible by two

• A number that is less than one

Which of the following is a prime number?

• 7

• 9

• 6

• 4

Why are prime numbers unique?

• They are the largest numbers

• They are less than one

• They are divisible by any number

• They are divisible only by themselves and one

Which of these numbers is not a prime number?

• 15

• 17

• 13

• 11

What is the smallest prime number?

• 0

• 1

• 2

• 3