Understanding 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

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

What is the prime factorization of 30?

Back

Front

What is the prime factorization of 45?

Back

Front

Which of the following numbers is a prime number? 4, 5, 6, 8

Back

5.

Front

What is the smallest composite number?

Back

The smallest composite number is 4.

Front

How can you determine if a number is composite?

Back

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

Front

What is the prime factorization of 84?

Back

Front

Which of the following is a factor of 36? 5, 6, 7, 8

Back

6.