Prime and composite

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

What are factors?

Back

Factors are numbers that can be multiplied together to get another 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 the first five prime numbers.

Back

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

Front

List the first five composite numbers.

Back

The first five composite numbers are 4, 6, 8, 9, and 10.

Front

Which number is a multiple of 3? 27, 28, 29

Back

27 is a multiple of 3.

Front

What is the next multiple of 12 after 48?

Back

The next multiple of 12 after 48 is 60.