Exploring the World of Prime Numbers

What are the two main qualities of a prime number?

• Greater than zero and has only two factors

• Greater than one and has only two factors

• Greater than one and has more than two factors

• Greater than zero and has more than two factors

Tags

CCSS.4.OA.B.4

Which of the following is true about the first quality of a prime number?

• It must be an even number

• It must be a negative number

• It must be greater than zero

• It must be greater than one

Tags

CCSS.4.OA.B.4

What does it mean for a number to have only two factors?

• It can be divided by any number

• It can be divided by one and itself only

• It can be divided by one and zero

• It can be divided by itself and zero

Tags

CCSS.4.OA.B.4

Is the number 2 a prime number?

• No, because it is an even number

• No, because it has more than two factors

• Yes, because it has only two factors: 1 and 2

• Yes, because it is greater than one

Tags

CCSS.4.OA.B.4

Why is the number 4 not considered a prime number?

• Because it is an even number

• Because it has factors other than 1 and 4

• Because it is greater than one

• Because it is less than one

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 12

• 8

• 6

• 11

Tags

CCSS.4.OA.B.4

Which of the following is NOT a prime number?

• 9

• 13

• 7

• 5

Tags

CCSS.4.OA.B.4