Prime Factorization

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a composite number as the product of its prime factors.

Front

What are prime numbers?

Back

Prime numbers are natural numbers greater than 1 that have no positive divisors other than 1 and themselves.

Front

List the prime factors of 90.

Back

2 x 3 x 3 x 5

Front

List the prime factors of 153.

Back

3 x 3 x 17

Front

List the prime factors of 36.

Back

2 x 2 x 3 x 3

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

How do you find the prime factorization of a number?

Back

To find the prime factorization, divide the number by the smallest prime number until you reach 1, recording the prime factors.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

Is 1 a prime number? Why or why not?

Back

No, 1 is not a prime number because it only has one positive divisor.

Front

What is the prime factorization of 24?

Back

2 x 2 x 2 x 3