Prime, Composite, and Factors

Which of the following best describes a prime number?

• A prime number is a number that is a multiple of 2.

• A prime number is a number that is always odd.

• A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

• A prime number is a number that can be divided by any other number without a remainder.

Which of the following numbers is a prime number: 13, 18, 21, or 24?

• 18

• 21

• 24

• 13

What are the factors of 36?

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 1, 2, 3, 4, 5, 6, 9, 12, 18

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 1, 2, 3, 5, 6, 9, 12, 18, 36

Is 31 a prime number?

• No

• Maybe

• Yes

• Sometimes

What is the next prime number after 2?

• 1

• 3

• 4

• 6

Identify the largest composite number among 25, 33, 41, and 49.

• 33

• 49

• 41

• 25

Determine if 41 is a prime number.

• Yes, 41 is a prime number.

• Yes, 41 is a composite number.

• No, 41 is divisible by 3.

• No, 41 is not a prime number.

Identify the prime factors of 48.

• 1, 3, 4, 6, 8, 12, 24, 48

• 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

• 1, 2, 3, 5, 8, 16, 24, 48

• 2, 4, 6, 8, 12, 24, 48