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 the only even prime number?

Back

2 is the only even prime number.

Front

Is 1 a prime number?

Back

No, 1 is not considered a prime number.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

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

Is 29 a prime number?

Back

Yes, 29 is a prime number.

Front

Which of the following is not a prime number: 5, 11, 15, 17?

Back

15 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.

Front

What is the prime factorization of 30?

Back

The prime factorization of 30 is 2 × 3 × 5.