Exploring Prime and Composite Numbers

What is a prime number?

• A number with only one factor

• A number with no factors

• A number with more than two factors

• A number with exactly two factors

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 15?

• 2

• 3

• 7

• 9

Tags

CCSS.3.OA.C.7

What is the product of 3 and 5?

• 8

• 10

• 15

• 20

Tags

CCSS.4.OA.B.4

Which number is neither prime nor composite?

• 5

• 3

• 2

• 0

Tags

CCSS.4.OA.B.4

How many factors does the number 24 have?

• 10

• 8

• 6

• 4

Tags

CCSS.4.OA.B.4

Which of the following is a composite number?

• 5

• 4

• 3

• 2

Tags

CCSS.4.OA.B.4

Which number is a prime number?

• 6

• 9

• 7

• 8

Tags

CCSS.4.OA.B.4

What are the factors of 12?

• 1, 2, 3, 4, 6, 12

• 1, 2, 4, 6, 12

• 1, 3, 4, 6, 12

• 1, 2, 3, 6, 12

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number up to 50?

• 49

• 44

• 33

• 37

Tags

CCSS.4.OA.B.4

What is the only even prime number?

• 4

• 6

• 8

• 2

Tags

CCSS.4.OA.B.4