Year 6 - Prime Numbers

Which of these numbers is not prime?

• 17
• 25
• 23
• 37

Tags

CCSS.4.OA.B.4

Name the next 3 prime numbers after 23.

• 24, 25, 26
• 29, 30, 31
• 29, 31, 37
• 24, 26, 28

Which of the following numbers is not composite?

• 24
• 40
• 66
• 61

Tags

CCSS.4.OA.B.4

Name the 5th prime number.

• 2
• 11
• 5
• 7

Tags

CCSS.4.OA.B.4

Which is the only prime number that is even?

• 14
• 22
• 17
• 2

Tags

CCSS.4.OA.B.4

Number 27 is both ...

• even and composite
• odd and composite
• even and prime
• odd and prime

Tags

CCSS.4.OA.B.4

A number that has only two factors, 1 and itself, is called a _______ number.

• prime
• composite
• odd
• even

A number that has more than 2 factors is called a __________ number.

• prime
• composite
• odd
• even

Tags

CCSS.4.OA.B.4

7 is a ________ number.

• prime
• composite

Tags

CCSS.4.OA.B.4

Which number below is NOT prime?

• 3
• 7
• 9
• 11