Prime and Composite Numbers

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has exactly two factors: 1 and itself.

Front

What is a composite number?

Back

A composite number is a number greater than 1 that has more than two factors.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one factor.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

List the first five composite numbers.

Back

4, 6, 8, 9, 10.

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 determine if a number is prime?

Back

To determine if a number is prime, check if it has only two factors: 1 and itself.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

Is 33 a prime or composite number?

Back

Composite.