Prime and Composite

A Prime Number is......

• A number that has only two factors, 1 and itself

• A number that has two factor pairs

• A number that has more than two factors

• A number that cannot be divided by 1 or itself

Tags

CCSS.4.OA.B.4

A Composite Number is.....

• A number that has exactly two factors 1 and itself

• A number that has more than two factors

Tags

CCSS.4.OA.B.4

Which of the following is a prime number ?

• 39

• 21

• 31

• 9

Tags

CCSS.4.OA.B.4

Which number is a composite number

• 59

• 61

• 57

• 53

Tags

CCSS.4.OA.B.4

All odd numbers are prime numbers

• False

• True

Tags

CCSS.4.OA.B.4

Number 2 is a composite number

• False

• True

Tags

CCSS.4.OA.B.4

A composite number must have how many arrays

• 1 array

• o arrays

• 2 or more arrays

• 1 or more arrays

Tags

CCSS.4.OA.B.4

Chose all the numbers that are composite

• 79

• 69

• 71

• 81

Tags

CCSS.4.OA.B.4

Which number is composite

• 3

• 5

• 7

• 9

Tags

CCSS.4.OA.B.4

Which number is prime

• 12

• 14

• 15

• 17

Tags

CCSS.4.OA.B.4