REVIEW: Factors and Multiples

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

Which number is composite?

• 36

• 3

• 11

• 31

Tags

CCSS.4.OA.B.4

Which number is prime?

• 32

• 27

• 19

• 45

Tags

CCSS.4.OA.B.4

Which are factors of 18 and 24

• 1, 3, 7

• 1, 2, 7

• 1, 3, 6

• 1, 4, 6

Tags

CCSS.4.OA.B.4

What are the factors of 24?

• 1, 2, 3, 4, 5, 6, 7, 8, 24

• 1, 3, 4, 6, 8, 10, 24

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 8, 12, 24

Tags

CCSS.4.OA.B.4

Which number is neither a prime nor a composite number ?

• 1

• 3

• 5

• 7

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

Numbers that can be multiplied together to make a product. (a)  

• multiples
• sum
• factors
• facts

Tags

CCSS.4.OA.B.4

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4