Factors and Multiples Quiz

What is a prime number?

• A prime number is a natural number that can be formed by multiplying two smaller natural numbers.

• A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

• A prime number is a natural number less than 1 that cannot be formed by multiplying two smaller natural numbers.

• A prime number is a composite number that cannot be formed by multiplying two smaller composite numbers.

Tags

CCSS.4.OA.B.4

Which of the following is a prime number?

• 23

• 33

• 15

• 28

Tags

CCSS.4.OA.B.4

What are the common factors of 12 and 18?

• 15, 16, 17, 19

• 4, 5, 7, 9

• 1, 2, 3, 6

• 10, 11, 13, 14

What is the least common multiple of 4 and 6?

• 2

• 12

• 8

• 10

What is the greatest common factor of 24 and 36?

• 18

• 6

• 12

• 30

Which of the following is a prime number?

• 6

• 1

• 4

• 2

Tags

CCSS.4.OA.B.4

What are the common factors of 15 and 25?

• 20, 25

• 10, 15

• 1, 5

• 2, 3

What is the least common multiple of 8 and 12?

• 24

• 10

• 16

• 20

What is the greatest common factor of 18 and 27?

• 12

• 6

• 3

• 9

Which of the following is a prime number?

• 6

• 4

• 2

• 1

Tags

CCSS.4.OA.B.4