Prime and Composite Numbers

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?

Back

No, 1 is not a prime number.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

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

Is 9 a prime number or a composite number?

Back

9 is a composite number.

Front

Is 12 a prime number or a composite number?

Back

12 is a composite number.

Front

Find the prime number: 10, 9, 7, 4.

Back

7 is the prime number.

Front

Find the composite number: 2, 3, 5, 9.

Back

9 is the composite number.