5.4A Prime and Composite

How many numbers in the list are composite numbers?

• 4

• 1

• 2

• 3

Tags

CCSS.4.OA.B.4

Which of these are composite numbers?

Select TWO correct answers.

• 3

• 4

• 19

• 22

• 31

Tags

CCSS.4.OA.B.4

Which prime number is missing from Jaylen's list?

• 49

• 39

• 43

• 33

Tags

CCSS.4.OA.B.4

Which student wrote down a prime number?​

• Maggie
• Elly
• Ulysses
• Palmer

Tags

CCSS.4.OA.B.4

Brenda said that the number 2 is prime because it has only two factors. Carla said that the number 2 is composite because it is even, and all even numbers are composite. Who is correct?

• Brenda is correct.

• Carla is correct.

• Both of them are correct.

• Neither of them is correct.

Tags

CCSS.4.OA.B.4

Which of Seth's factor pairs contains only composite numbers?

• 6x22

• 11x12

• 3x44

• 2x66

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 27

• 17

• 21

• 24

Tags

CCSS.4.OA.B.4

Which statement is true about the number 11?

• It is a prime number.

• It is an even number.

• It is divisible by 4.

• It is a composite number.

Tags

CCSS.4.OA.B.4

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

All of these are prime except

• 3
• 9
• 2
• 13

Tags

CCSS.4.OA.B.4