Prime Numbers

What is a prime number?

• A number that can be divided evenly only by 1

• A number that can be divided evenly by any other number

• A number that has multiple divisors

• A number that has only two distinct natural number divisors: 1 and itself

Which of these is a prime number?

• 8

• 4

• 2

• 6

Is 1 a prime number?

• Yes

• No

• It's neither prime nor composite

• It's both prime and composite

Does every prime number have exactly two factors?

• Yes

• No

• Only odd prime numbers

• Only even prime numbers

What is the smallest prime number?

• 2

• 1

• -1

• 0

How many prime numbers are there between 1 and 10?

• 6

• 3

• 4

• 5

What is the only even prime number?

• 2

• 8

• 6

• 4

Which of these numbers is not prime?

• 3

• 7

• 9

• 5

What are prime numbers used for in computers?

• For making the computer faster

• Cryptography

• For drawing graphics

• For storing data

What's the next prime number after 5?

• 9

• 6

• 7

• 8