Prime, Composite, neither

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

Is 1 a prime number?

Back

No, 1 is neither prime nor composite.

Front

Is 0 a prime number?

Back

No, 0 is neither prime nor composite.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the smallest composite number?

Back

The smallest composite number is 4.

Front

Is 17 a prime number?

Back

Yes, 17 is a prime number.

Front

Is 18 a composite number?

Back

Yes, 18 is a composite number.

Front

List two prime numbers between 10 and 20.

Back

11 and 13 are prime numbers between 10 and 20.

Front

List two composite numbers between 10 and 20.

Back

10 and 12 are composite numbers between 10 and 20.