Prime Composite

List all the prime numbers between 1-20

Is 9 prime or compisite?

• Prime

• Composite

Is 37 prime or composite?

• Prime

• Compsite

is 27 Prime or composite?

• Prime

• Composite

The number 25 is ​ (a)   because it has ​ (b)  

• composite

• prime

• more than 2 factors

• exactly 2 factors

The number 17 is ​ (a)   because it has ​ (b)  

• prime

• composite

• exactly 1 factor pair

• more than 1 factor pair

The number 21 is ​ (a)   because it has ​ (b)  

• composite

• prime

• more than 1 factor pair

• exactly 1 factor pair

Which of the following numbers is a prime number?

• 4

• 6

• 11

• 15

Which of the following numbers is a composite number?

• 2

• 3

• 5

• 9

Are each of these numbers prime or composite?

• composite

• 10

• composite

• 15

• composite

• 3

• prime

• 7

• prime

• 12