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 17 a prime number?

Back

Yes, 17 is a prime number because it can only be divided by 1 and 17.

Front

Is 50 a composite number?

Back

Yes, 50 is a composite number because it can be divided by 1, 2, 5, 10, 25, and 50.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

List the first five composite numbers.

Back

4, 6, 8, 9, 10.

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 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 12?

Back

The prime factorization of 12 is 2 x 2 x 3.