Identify Prime

Is 6 prime or composite?

• Prime

• Composite

Is 15 prime or composite?

• Prime

• Composite

Which of the following statements is TRUE?

• 20 is a prime number

• 23 is a prime number

• 25 is a prime number

• 29 is a composite number

what are the factors of 17?

Which of the following is a prime number?

• a. 5

• b. 6

• c. 8

• d. 10

Which of the following is a prime number?

• a.) 15

• b.) 16

• c.) 19

• d.) 21

Which of the following is a prime number?

• 69

• 73

• 78

• 80

Lillian says that all prime numbers are odd. Is she correct?

• No, because 2 is prime and even.

• Yes, because 2 is composite and even.

• No, because all composite numbers are odd.

• None of the above.

How is a prime number different from a composite number?

• Prime numbers are smaller than composite numbers.

• Composite numbers are larger than prime numbers.

• All odd numbers are prime numbers.

• Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

Which one is a prime number?

• 465

• 822

• 600

• 743