Prime 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 2 a prime number?

Back

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

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it does not meet the definition of having exactly two distinct positive divisors.

Front

What are the first five prime numbers?

Back

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

Front

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

Back

5 is a prime number.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What makes a number composite?

Back

A number is composite if it has more than two factors.

Front

Which of the following is not a prime number: 29, 31, 32?

Back

32 is not a prime number.

Front

How can you determine if a number is prime?

Back

To determine if a number is prime, check if it has any divisors other than 1 and itself.