Find the Factors of a Number

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

Use a factor tree to find the prime factorization of 50.

• 2 x 2 x 5 x 5

• 5 x 5 x 3 x 2

• 2 x 5 x 5

• 2 x 25

Use a factor tree to find the prime factorization of 42

• 4x4x3

• 6x7

• 7x3x2

• 5x4x2

Draw a factor tree to find the prime factorization of 8

• 2x2x2

• 2x3x4

• 3x3

• 2x1

What are the factors of 28?​ (a)  

• 1, 2, 4, 7, 14, 28

• 1, 2, 3, 7, 14, 28

• 1, 28

Tags

CCSS.4.OA.B.4

What are all the factors of 16?

​ (a)   , ​ (b)   , ​ (c)   , ​ (d)   ,​ (e)  

• 1

• 2

• 4

• 8

• 16

• 3

• 7

• 9

• 5

Tags

CCSS.4.OA.B.4

What are the factors of 6?​ (a)   ​ (b)   ​ (c)   ​ (d)  

• 1

• 2

• 3

• 6

• 4

• 8

• 12

Tags

CCSS.4.OA.B.4

What are the factors of 18?​ (a)   ​ ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• 1

• 2

• 3

• 6

• 9

• 4

• 5

• 7

Tags

CCSS.4.OA.B.4

Which number is NOT a factor of 10?

• 1

• 2

• 3

• 5

Tags

CCSS.4.OA.B.4

Which lists all the factors of 64?

• 1, 64

• 1, 2, 3, 4, 5, 6, 7, 8

• 1, 2, 32, 64

• 1, 2, 4, 8, 16, 32, 64

Tags

CCSS.4.OA.B.4