Prime and Composite Numbers

Front

What is a prime number?

Back

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

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

Which of the following is a composite number: 37, 41, 21, 29?

Back

21 is a composite number.

Front

How many factors does a prime number have?

Back

A prime number has exactly 2 factors: 1 and itself.

Front

How many factors does a composite number have?

Back

A composite number has more than 2 factors.

Front

Are there any numbers that are neither prime nor composite?

Back

Yes, the number 1 is neither prime nor composite.

Front

Is 100 a prime or composite number?

Back

100 is a composite number.

Front

What are the only factors of a prime number?

Back

The only factors of a prime number are 1 and itself.

Front

Give an example of a prime number.

Back

An example of a prime number is 7.

Front

Give an example of a composite number.

Back

An example of a composite number is 12.