Prime and Composite Numbers

Which list has only prime numbers?

• 2, 3, 4, 5

• 1, 5, 7, 9

• 2, 3, 5, 7

• 2, 4, 6, 8

Which list is only composite numbers?

• 1, 3, 4

• 2, 4, 6

• 4, 6, 8

• 5, 6, 8

Find the prime number.

• 0

• 1

• 7

• 4

True or False
0 is a COMPOSITE number.

• TRUE

• FALSE

Which is a prime number?

• 15

• 17

• 21

• 39

Is 100 a prime or composite number?

• Prime

• Composite

Besides 15 and 1, what is one factor of 15?

• 2

• 4

• 6

• 3

Which definition best describes a prime number?

• Only even numbers

• A number that has factors other than 1 and itself

• Only Odd Numbers

• A number greater than 1 that only has factors of 1 and itself

Is 7 a prime number or a composite number?

• composite

• prime

Is 12 prime or composite?

• prime

• composite