Prime and Composite Numbers Quiz

What is a prime number?

• A number with only one factor.

• A number with more than two factors.

• A number with exactly two factors: 1 and itself.

• A number that is neither prime nor composite.

Why is the number 1 considered special in terms of prime and composite classification?

• It is both prime and composite.

• It is the smallest prime number.

• It is neither prime nor composite.

• It is the largest composite number.

What pattern do you notice when skip counting by 2 on a hundreds chart?

• Every number is colored.

• Only numbers ending in 5 are colored.

• Only numbers ending in 0 are colored.

• Every other column is colored.

Which number is the first prime number?

• 1

• 5

• 2

• 3

When skip counting by 3, which number is not colored because it is not a multiple of 2?

• 9

• 12

• 15

• 6

What is a characteristic of multiples of 5 on the hundreds chart?

• They end in 3 or 6.

• They end in 5 or 0.

• They end in 1 or 9.

• They end in 2 or 4.

Which number is the last prime number identified between 1 and 100?

• 97

• 79

• 83

• 89

What is the significance of the number 7 in the context of this activity?

• It is the last prime number.

• It is used for skip counting to identify multiples.

• It is neither prime nor composite.

• It is the first prime number.

How many factors does a composite number have?

• No factors.

• More than two factors.

• Exactly two factors.

• Only one factor.

Which of the following numbers is not a prime number?

• 15

• 13

• 11

• 17