Prime and Composite Numbers

Front

What is a prime number?

Back

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

Front

List three examples of prime numbers.

Back

2, 3, 5.

Front

List three examples of composite numbers.

Back

4, 6, 8.

Front

What are factors?

Back

Factors are the numbers multiplied together to make a product.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number.

Front

Is 2 a prime number?

Back

Yes, 2 is the only even prime number.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest single-digit prime number?

Back

The largest single-digit prime number is 7.

Front

How can you tell if a number is composite?

Back

A number is composite if it has more than two factors.