Factors, Primes, and Composites

Is 1 a prime number? (Yes/No)

• Yes

• Sometimes

• Maybe

• No

Tags

CCSS.4.OA.B.4

Is 0 a composite number? (Yes/No)

• I don't know

• No

• Maybe

• Yes

Tags

CCSS.4.OA.B.4

What are the factors of 12?

• 1, 2, 3, 4, 6, 8, 10

• 1, 2, 3, 4, 6

• 1, 2, 3, 4, 6, 12

• 1, 2, 3, 4, 6, 8

Tags

CCSS.4.OA.B.4

What are the factors of 17?

• 2, 8

• 3, 9

• 4, 16

• 1, 17

Tags

CCSS.4.OA.B.4

What is the prime factorization of 24?

• 2 x 2 x 2 x 2

• 2 x 2 x 2 x 5

• 2 x 2 x 3 x 3

• 2 x 2 x 2 x 3

What is the prime factorization of 37?

• 1, 37

• 2, 19

• 3, 13

• 37

Tags

CCSS.4.OA.B.4

What is the greatest common factor of 18 and 24?

• 4

• 8

• 2

• 6

What is the greatest common factor of 15 and 25?

• 5

• 20

• 10

• 3

What is a factor?

• the product when you multiply two numbers together

• a number or quantity that when multiplied with another produces a given number

• even numbers that can be easily added together

• a digit when multiplied by itself equals zero

Tags

CCSS.4.OA.B.4

The only factors that prime numbers have are:

• 0 and 1
• 0 and itself
• 1 and itself
• 1

Tags

CCSS.4.OA.B.4