Prime and Composite Numbers

Which among these numbers is a composite number?

• 13

• 67

• 24

• 71

Tags

CCSS.4.OA.B.4

What are factors?

• The top number in a fraction.
• The numbers multiplied together to make a product.
• The bottom number in a fraction.
• Angles smaller than 90 degrees.

Tags

CCSS.4.OA.B.4

How is a prime number different from a composite number?

• Prime numbers are smaller than composite numbers.
• Composite numbers are larger than prime numbers.
• All odd numbers are prime numbers.
• Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

Tags

CCSS.4.OA.B.4

Are all even numbers composite numbers?

• Yes
• No

Tags

CCSS.4.OA.B.4

Are there any numbers that are neither prime nor composite?

• Yes
• No

Tags

CCSS.4.OA.B.4

Which one is a prime number?

• 465
• 822
• 600
• 743

Tags

CCSS.4.OA.B.4

Which one is a composite number?

• 37
• 41
• 21
• 29

Tags

CCSS.4.OA.B.4

Which number is NOT a factor of 10?

• 1
• 2
• 3
• 5

Tags

CCSS.4.OA.B.4