Prime and Composite Numbers

Prime and Composite Numbers

Multiple Choice

Is 33 a prime or composite number?

• Prime
• Composite

Multiple Choice

What are all prime numbers divisible by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

Multiple Choice

is 5 prime or composite?

• prime
• composite

Multiple Choice

Is 3 a factor of 12?

• yes
• no

Multiple Choice

Is 12 prime or composite?

• prime
• composite

Multiple Choice

Find the prime number.

• 10
• 9
• 7
• 4

Multiple Choice

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Multiple Choice

True or False?

1 is a prime number.

• True

• False

Multiple Choice

Which of the following numbers is composite?

• 3

• 9

• 11

• 17

Multiple Choice

Which of the following numbers is NOT prime?

• 2

• 3

• 4

• 5

Multiple Choice

Which of the following numbers is prime?

• 40

• 4

• 3

• 8

Multiple Choice

Which of the following numbers is prime?

• 10

• 15

• 5

• 20

Multiple Choice

Composite numbers have

• no factors.

• one factor.

• two factors.

• three or more factors.

Multiple Choice

Composite numbers have

• no factors.

• one factor.

• two factors.

• three or more factors.

Multiple Choice

Which number is NOT prime?

• 1

• 2

• 3

• 5

Multiple Choice

Which number is the only even prime number?

• 2

• 4

• 6

• 8

Multiple Choice

Which of the following is a prime number?

• 3

• 6

• 9

• 12

Multiple Choice

A prime number has

• one factor.

• two factors.

• three or more factors.