Prime and Composite Numbers

What is a prime number?

• A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

• A prime number is a composite number that cannot be formed by multiplying two smaller composite numbers.

• A prime number is a natural number that can be formed by multiplying two smaller natural numbers.

• A prime number is a natural number less than 1 that cannot be formed by multiplying two smaller natural numbers.

Tags

6.NS.4

Is 1 a prime number? (Yes/No)

• No

• Maybe

• Sometimes

• Yes

Tags

CCSS.4.OA.B.4

What is the smallest prime number?

• 3

• 2

• 1

• 4

Tags

CCSS.4.OA.B.4

What is a composite number?

• A composite number is a positive integer greater than 1 that has at least one positive divisor other than 1 and itself.

• A composite number is a negative integer greater than 1 that has at least one positive divisor other than 1 and itself.

• A composite number is a positive integer less than 1 that has at least one positive divisor other than 1 and itself.

• A composite number is a prime number that has at least one positive divisor other than 1 and itself.

Tags

CCSS.4.OA.B.4

Is 2 a composite number? (Yes/No)

• No

• I don't know

• Maybe

• Yes

Tags

CCSS.4.OA.B.4

What is the largest prime number less than 10?

• 5

• 9

• 7

• 3

Tags

CCSS.4.OA.B.4

Is 0 a prime number? (Yes/No)

• No

• Sometimes

• Yes

• Maybe

Tags

CCSS.4.OA.B.4

What is the only even prime number?

• 6

• 4

• 2

• 8

Tags

CCSS.4.OA.B.4

Is 9 a prime number? (Yes/No)

• Yes

• Sometimes

• Maybe

• No

Tags

CCSS.4.OA.B.4

What is the sum of the first 5 prime numbers?

• 28

• 25

• 20

• 15

Tags

CCSS.7.EE.B.3