Identifying Prime and Composite Numbers

What is a prime number?

• A number with only one factor pair

• A number with more than one factor pair

• A number with three factors

• A number with no factors

Tags

CCSS.4.OA.B.4

Which of the following is an example of a prime number?

• 10

• 15

• 5

• 6

Tags

CCSS.4.OA.B.4

What defines a composite number?

• A number with only one factor pair

• A number with more than one factor pair

• A number with no factors

• A number with exactly two factors

Tags

CCSS.4.OA.B.4

How many factors does the number 10 have?

• 4

• 5

• 3

• 2

Tags

CCSS.4.OA.B.4

Which of the following is a factor pair of 6?

• 3 and 5

• 4 and 6

• 2 and 3

• 1 and 5

Tags

CCSS.4.OA.B.4

Is the number 15 prime or composite?

• Both

• Prime

• Composite

• Neither

Tags

CCSS.4.OA.B.4

How many factors does the number 2 have?

• 4

• 1

• 3

• 2

Tags

CCSS.4.OA.B.4

Which of the following is a factor pair of 27?

• 1 and 27

• 2 and 14

• 3 and 8

• 4 and 7

Tags

CCSS.4.OA.B.4

What are the factors of 55?

• 1, 3, 9, 55

• 1, 2, 27, 55

• 1, 4, 13, 55

• 1, 5, 11, 55

Tags

CCSS.4.OA.B.4

Is the number 41 prime or composite?

• Both

• Composite

• Prime

• Neither

Tags

CCSS.4.OA.B.4