Primes, Composites, and Prime Factorization! Oh My!

15

• Prime
• Composite

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CCSS.4.OA.B.4

2

• Prime
• Composite

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CCSS.4.OA.B.4

17

• Prime
• Composite

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CCSS.4.OA.B.4

13

• Prime
• Composite

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CCSS.4.OA.B.4

33

• Prime
• Composite

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CCSS.4.OA.B.4

Which of the following numbers is composite?

• 1
• 2
• 3
• 4

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CCSS.4.OA.B.4

I am a prime number between 30 and 40.  Which number could I be?

• 31
• 33
• 36
• 39

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 1
• 11
• 21
• 51

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CCSS.4.OA.B.4

Which is a NOT a factor of 12?

• 1
• 3
• 5
• 12

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CCSS.4.OA.B.4

Which of the following is NOT true about prime numbers? 

• They have exactly two factors 
• 1 is a factor of every prime number
• No prime numbers end in zero
• All prime numbers are odd numbers.  

Tags

CCSS.4.OA.B.4