Prime Factorization Review Lesson

Front

What is prime factorization?

Back

The expression of a composite number as a product of prime numbers.

Front

List the prime factorization for 50.

Back

2 x 5 x 5

Front

What is a factor tree?

Back

A diagram that uses branches to show how a number can be written as the product of prime numbers.

Front

List the prime factorization for 180.

Back

2 x 2 x 3 x 3 x 5

Front

Write the prime factorization for 30. List the factors in order from least to greatest.

Back

2 x 3 x 5

Front

What are prime numbers?

Back

Numbers greater than 1 that have no positive divisors other than 1 and themselves.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A number that has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

How do you find the prime factorization of a number?

Back

Divide the number by the smallest prime number until you reach 1.

Front

What is the smallest prime number?

Back

2

Tags

CCSS.4.OA.B.4

Front

What is the prime factorization of 12?

Back

2 x 2 x 3