Prime and Composite Questions

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 these are composite numbers? Select TWO correct answers.

• 3

• 4

• 19

• 22

• 31

Tags

CCSS.4.OA.B.4

Jaylen was told to list all prime numbers between 30 and 50. Jaylen’s list is shown. 31, 37, 41, 47. The prime number missing from Jaylen’s list is (a)  

• 49

• 39

• 43

• 33

Tags

CCSS.4.OA.B.4

Four students each wrote down a number between 30 and 40. The list shows the numbers they wrote.

Elly—35

Ulysses—39

Maggie—37

Palmer—33

Which student wrote down a prime number?

• Elly

• Ulysses

• Maggie

• Palmer

Tags

CCSS.4.OA.B.4

Is 29 prime or composite?

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Is 11 Prime or Composite?

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 4

• 6

• 11

• 15

Tags

CCSS.4.OA.B.4

The number 25 is ​ (a)   because it has ​ (b)  

• composite

• prime

• more than 2 factors

• exactly 2 factors

Tags

CCSS.4.OA.B.4

1 is neither prime nor composite

• True

• False

Tags

CCSS.4.OA.B.4

The number ​ (a)   is the only even prime number because it has ​ (b)  

• 2

• 4

• 1

• exactly two factors

• more than 2 factors

• exactly 1 factor

Tags

CCSS.4.OA.B.4