prime factors

Factors of 18 are 1, 2, 3, 6, 9, 18.

Prime factors of 18 are.....

• 1, 2, and 3

• 2, 3, and 6

• 3, 9, and 18

Find the prime factorization of 40

• 2 x 5 x 2
• 2 x 20
• 5 x 8
• 2 x 2 x 2 x 5

What is the prime factorization of 15?

• 3x3x3
• 2x2x5
• 15
• 3x5

Which one lists ALL of the factors of 18?

• 1, 2, 9, 18
• 1, 18
• 1, 2, 3, 6, 9, 18
• 2, 3, 6, 9

Tags

CCSS.4.OA.B.4

Write 36 as the product of it's prime factors...

• 2 x 2 x 3 x 3

• 2 x 2 x 2 x 3

• 2² x 3²

• 2² x 3

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

Tags

CCSS.4.OA.B.4

What are the factors of 14?

• 1,14
• 1, 2, 7, 14
• 2, 7
• 1, 14

Tags

CCSS.4.OA.B.4

What are the factors of 35?

• 1,35
• 5,7
• 1,3,5,7,35
• 1,5,7,35

Tags

CCSS.4.OA.B.4

What are the factors of 28?

• 1,2,4,7,14,27
• 1,2,4,7,14,28
• 1,2,4,7,14,29
• 1,2,4,7,14,26

Tags

CCSS.4.OA.B.4

Is 8 a factor of 32?

• Yes
• No

Tags

CCSS.4.OA.B.4