Prime and 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?

Back

No, 1 is neither a prime nor a composite number.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest two-digit prime number?

Back

The largest two-digit prime number is 97.

Front

How many factors does a prime number have?

Back

A prime number has exactly two factors: 1 and itself.

Front

How many factors does a composite number have?

Back

A composite number has more than two factors.

Front

What is the product of 2 and 3?

Back

The product of 2 and 3 is 6.

Front

Which of the following is a prime number: 4, 5, 6?

Back

5 is a prime number.

Front

List the first five prime numbers.

Back

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