Prime Factorization and Factors

What is the missing factor?

• 1

• 2

• 5

• 8

Tags

CCSS.4.OA.B.4

What is the missing factor?

• 1

• 2

• 5

• 8

Tags

CCSS.4.OA.B.4

What are the missing factors?

• 2 and 3

• 3 and 6

• 3 and 3

• 1 and 9

Tags

CCSS.6.NS.B.4

What is the missing factor?

• 3

• 5

• 6

• 7

Tags

CCSS.4.OA.B.4

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25
• 1, 5,  25
• 1, 25
• 1, 5

What are the factors of 24?

• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 3, 6, 8, 24
• 1, 2, 3, 4, 6
• 1, 24

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

Tags

CCSS.4.OA.B.4

Which of the following numbers is prime?

• 15

• 18

• 19

• 21

Use a factor tree to find the prime factorisation of 168

Find the prime factorization of 18

• 2 • 9

• 2² • 3

• 2 • 3²

• 3 • 6

Tags

CCSS.6.EE.A.3