Exploring the World of Prime Numbers

What is a prime number?

• A number that is even

• A number with only one factor

• A number with only two factors

• A number with more than two factors

Which of the following is a prime number?

• 3

• 4

• 9

• 6

Why is 2 considered a unique prime number?

• It is the only odd prime number

• It is the only even prime number

• It is the smallest prime number

• It is the largest prime number

Which of the following numbers is composite?

• 2

• 19

• 3

• 21

What are the factors of 13?

• 1, 2, 3, and 13

• 1, 3, and 13

• 1, 2, and 13

• 1 and 13

Why is 8 not a prime number?

• It is a multiple of 3

• It is less than 10

• It has more than two factors

• It is an odd number

Which of the following is a composite number?

• 7

• 19

• 8

• 13

How can we determine that 5462 is not a prime number without listing all its factors?

• It is an odd number

• It is a multiple of 3

• It is a multiple of 5

• It is an even number

What is the definition of a composite number?

• A number with more than two factors

• A number with only two factors

• A number that is odd

• A number with only one factor

Which of the following statements is true?

• All even numbers are prime

• All odd numbers are composite

• All even numbers except 2 are composite

• All numbers greater than 10 are composite