Finding the Factors

Which is a NOT common factor between 12 and 18?

• 1
• 2
• 3
• 4

1,2,8 and 16 are all factors of 16. Which factor is missing

• 3
• 4
• 5
• 6

Tags

CCSS.4.OA.B.4

1,2,8 and 16 are all factors of 16. Which factor is missing

• 3
• 4
• 5
• 6

 List all the factors of 36 

• 2,12,6,36
• 1,2,3,12,36
• 1,2,3,4,6,9,12,36
• 1,4,6,9,12

Tags

CCSS.4.OA.B.4

How many factors does the number 25 have?

• 1
• 2
• 3
• 4

Tags

CCSS.4.OA.B.4

Which are the factors of both 6 and 15?

• 9
• 5
• 6
• 3

Tags

CCSS.4.OA.B.4

1,2,3,6,9 and 18 are the factors of

• 18
• 20
• 9
• 6

Tags

CCSS.4.OA.B.4

Which of the following statements is not true?

• 2 will always be a composite number because it is even.
• Composite numbers have 2 or more factors.
• Prime numbers have only 2 factors.
• All numbers have 1 as a factor.

Is 525 divisible by 5?

• Yes
• No

Which of these statements is true?

• All numbers have 4 factors.
• 2 is a factor of every number.
• 1 is a factor of every number.
• All odd numbers have an odd number of factors.

Tags

CCSS.4.OA.B.4