Prime vs. 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 that has more than two positive divisors.

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

List three prime numbers.

Back

2, 3, 5.

Front

List three composite numbers.

Back

4, 6, 8.

Front

Is 9 a prime or composite number?

Back

Composite.

Front

Is 17 a prime or composite number?

Back

Prime.

Front

What are the factors of 12?

Back

1, 2, 3, 4, 6, 12.