Factoring the GCF and Divisibility Rules

Which number is divisible by 2?

• 102

• 157

• 371

• 219

Tags

CCSS.3.OA.D.9

What is the sum of digits for a number to be divisible by 3?

• The sum must be less than 3.

• The sum must be divisible by 3.

• The sum must be greater than 10.

• The sum must be an even number.

Tags

CCSS.4.OA.B.4

For a number to be divisible by 4, what is true about its last two digits?

• They must add up to 4.

• They must be divisible by 4.

• They must be divisible by 2.

• They must be even.

Tags

CCSS.4.OA.B.4

Which of the following numbers is divisible by 9?

• 123

• 234

• 672

• 981

Tags

CCSS.3.OA.D.9

What must be true for a number to be divisible by 6?

• It must end in 6.

• It must be an even number.

• It must be divisible by both 2 and 3.

• It must be greater than 6.

Tags

CCSS.4.OA.B.4

What are the factors of 24?

• 1, 2, 4, 5, 10, 20

• 1, 2, 4, 8

• 1, 3, 5, 15

• 1, 2, 3, 4, 6, 8, 12, 24

Tags

CCSS.4.OA.B.4

Which number is not a prime number?

• 13

• 15

• 17

• 19

What is the GCF of 8, 64, and 16?

• 8

• 16

• 4

• 2

What is the GCF of x^2, x^3, and x^4?

• x^4

• x^3

• x^2

• x

What is the GCF of 81x^3, 27x^2, and -36x?

• 81x

• 27x

• 3x

• 9x