Prime Composite Problems

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

Elly- 35

Ullyssess- 39

Maggie- 37

Palmer-33

Which student wrote down a prime number?

• Elly

• Ulyssess

• Maggie

• Plamer

Tags

CCSS.4.OA.B.4

Brenda said that the number 2 is prime becuase 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

Seth's homework assignment is to write factor pairs that contain only composite numbers. Seth wrote four factor pairs for the number 132, as shown below.

6 x 22

11 x 12

3 x 44

2 x 66

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

• 6 x 22

• 11 x 12

• 3 x 44

• 2 x 66

Tags

CCSS.4.OA.B.4

Look at the factor pairs for the compostie number 56.

1, 56

2, 28

4, 14

7, 8

Which is a prime factor of the compostie number 56?

• 1

• 4

• 7

• 8

Tags

CCSS.4.OA.B.4

What are the prime factors of 24?

• 3,8

• 1,24

• 3,4,4

• 2,2,2,3

What composite number has the following prime factors?

2,3,3

• 8

• 9

• 18

• 233

The Eagles football team uses only composite numbers on their jerseys. Each of the following numbers could have been on a jersey EXCEPT-

• 27

• 37

• 81

• 93

Tags

CCSS.4.OA.B.4

Which number is NOT a prime number

• 17

• 77

• 7

• 107

Tags

CCSS.4.OA.B.4

The runners in a race all wore numbers from 20 to 60. The number on Omar's shirt was a prime number. Which of the following could NOT be Omar's number?

• 51

• 29

• 47

• 23

Tags

CCSS.4.OA.B.4

Which is a prime number?

• 61

• 63

• 65

• 69

Tags

CCSS.4.OA.B.4