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 prime number: 2, 4, 6, 8?

Back

2 is a prime number.

Front

Which of the following is a composite number: 3, 5, 9, 11?

Back

9 is a composite number.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number.

Front

Is 0 a prime number?

Back

No, 0 is not a 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

List three prime numbers between 10 and 20.

Back

11, 13, 17.

Front

List three composite numbers between 10 and 20.

Back

10, 12, 14.