Eureka Prime, Composite, Factors, and Multiples

What is a number with ONLY 2 factors?

• prime

• composite

• factor

• multiple

What are the first five multiples of 6?

• 6, 12, 16, 24, 30

• 6, 12, 18, 24, 30

• 6, 12, 18, 30, 36

• 6, 12, 24, 30, 36

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24

• 2, 3, 4, 6, 8, 12, 24, 36

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 5, 6, 8, 12 ,24

Numbers that can be multiplied together to make a product.

• multiples

• sum

• factors

• facts

The number 17 is ​ (a)   because it has ​ (b)  

• prime

• composite

• exactly 1 factor pair

• more than 1 factor pair

Sort the numbers

*Hint: use your prime numbers chart!

• 19

• Prime Number

• 0

• Composite Number

• 24

• Neither Prime nor Composite

The number 11 is​ (a)   because it has ​ (b)  

• prime

• composite

• exactly 2 factors

• more than 2 factors

Chuck made some arrays to show the factors of his mystery number. Rico made some arrays to show the factors of his mystery number. Which statement about the boys' mystery numbers is true?

• Both boys had composite mystery numbers.

• Chuck had a composite mystery number, and Rico had a prime mystery number.

• Chuck had a prime mystery number, and Rico had a composite mystery number.

• Both boys had prime mystery numbers.

What are the factors of 24?

• 1, 2, 3, 4, 6, 8, 12, 24

• 24, 48, 72, 96

• 1, 3, 5, 9

• 2, 4, 6, 8

Which factor do 18 and 24 have in common?

• 6

• 12

• 9

• 8