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

How many factors does a prime number have?

Back

A prime number has exactly 2 factors.

Front

How many factors does a composite number have?

Back

A composite number has more than 2 factors.

Front

What are factors?

Back

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

Front

Is 1 a prime number?

Back

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

Front

Is 2 a prime number?

Back

Yes, 2 is a prime number because its only factors are 1 and 2.

Front

Is 4 a prime number or a composite number?

Back

4 is a composite number because it has factors 1, 2, and 4.

Front

What is the only even prime number?

Back

The only even prime number is 2.

Front

List the first five prime numbers.

Back

The first five prime numbers are 2, 3, 5, 7, and 11.