Prime and Composite numbers

1. When counting numbers have exactly two factors, 1 and itself, it is called a _____________.

• even number

• odd numbers

• prime numbers

• composite number

2. A number having more than two factors is called a _____________.

• even number

• odd numbers

• prime numbers

• composite number

3. Find the prime number

• 10

• 9

• 7

• 4

4. Which number is prime?

• 57

• 9

• 19

• 25

5. Which number is composite?

• 2

• 13

• 4

• 17

Tags

CCSS.4.OA.B.4

6. _______ is neither prime nor composite number

Tags

CCSS.4.OA.B.4

7. The next prime number after 57 is _______.

• 58

• 59

• 60

• 61

8. The next composite number after 28 is ________.

• 29

• 30

• 31

• 32

9. 25 is a prime number.

• True

• False

Tags

CCSS.4.OA.B.4

10. 250 is a composite number.

• True

• False

Tags

CCSS.4.OA.B.4