Prime Composite and Factors

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

Select all of the prime numbers.

• 2

• 11

• 13

• 9

• 15

Tags

CCSS.4.OA.B.4

What is a number that has more than 2 factors called?

• prime

• composite

• factor

• multiple

Tags

CCSS.4.OA.B.4

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

The number 17 is ​ (a)   because it has ​ (b)  

• prime

• composite

• exactly 1 factor pair

• more than 1 factor pair

Tags

CCSS.4.OA.B.4

The number 11 is​ (a)   because it has ​ (b)  

• prime

• composite

• exactly 2 factors

• more than 2 factors

Tags

CCSS.4.OA.B.4

The number 21 is ​ (a)   because it has ​ (b)  

• composite

• prime

• more than 1 factor pair

• exactly 1 factor pair

Tags

CCSS.4.OA.B.4

The number 25 is ​ (a)   because it has ​ (b)  

• composite

• prime

• more than 2 factors

• exactly 2 factors

Tags

CCSS.4.OA.B.4

Are each of these numbers prime or composite?

• composite

• 12

• prime

• 7

• composite

• 10

• composite

• 3

• prime

• 15

Tags

CCSS.4.OA.B.4

What do we call the numbers that we multiply to get a product. These are also numbers that divide another number.

• Multiple

• Factor

Tags

CCSS.4.OA.B.4