Prime or Composite

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

Is 1 a prime number or a composite number?

Back

Neither, because it has only one positive divisor.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the smallest composite number?

Back

The smallest composite number is 4.

Front

How many factors does the number 5 have?

Back

The number 5 has two factors: 1 and 5, making it a prime number.

Front

How many factors does the number 6 have?

Back

The number 6 has four factors: 1, 2, 3, and 6, making it a composite number.

Front

Is 19 a prime number?

Back

Yes, 19 is a prime number because it has only two factors: 1 and 19.

Front

Is 30 a prime number?

Back

No, 30 is a composite number because it has multiple factors: 1, 2, 3, 5, 6, 10, 15, and 30.

Front

What do we call the answer to a multiplication question?

Back

The answer to a multiplication question is called the product.