Prime and Composite Numbers

Sum of all the prime numbers between 1 and 11.

Sum of all composite numbers between 25 and 30.

Tags

CCSS.4.OA.B.4

Difference of the greatest prime number less than 20 and the least prime number less than 10.

Tags

CCSS.6.NS.A.1

The smallest prime number raised to the 4^th power.

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