Factor Trees and Factoring

Use a factor tree to find prime factorization of 24.

• 2 x 3 x 2 x 3

• 2 x 3 x 2 x 2

• 6 x 2 x 2

• 2 x 3 x 4

What is the prime factorization of 15?

• 3x3x3

• 2x2x5

• 15

• 3x5

What is the missing factor?

• 1

• 2

• 5

• 8

What is the missing factor?

• 3

• 5

• 6

• 7

Tags

CCSS.4.OA.C.5

Mathematical Equivalence

ON

Tags

CCSS.HSA.APR.C.4

Factor the following completely:

20x³ + 15x²

​ (a)   (​ (b)   )

• 5x²

• 4x + 3

• 15x

• 20x²

• 2x + 3

• 5x

• 4x² + 3

Mathematical Equivalence

ON

Mathematical Equivalence

OFF

Tags

CCSS.HSA.APR.C.4

Which lists all the factors of 15?

• 1, 7, 8, 15

• 1, 15

• 1, 3, 5, 15

• 3, 5, 15

Tags

CCSS.4.OA.B.4

What factors do these numbers (18 and 27) have in common?

• 2

• 2 and 3

• 3 and 3

• 3

Tags

CCSS.4.OA.B.4