Prime Factorization, GCF & LCM

Front

What is Prime Factorization?

Back

Prime Factorization is the process of expressing a 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.

Tags

CCSS.4.OA.B.4

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

How do you find the GCF of 24 and 40?

Back

The GCF of 24 and 40 is 8.

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of all of them.

Front

How do you find the LCM of 10 and 12?

Back

The LCM of 10 and 12 is 60.

Front

What is the prime factorization of 75?

Back

The prime factorization of 75 is 3 x 5².

Front

How do you find the LCM of 5 and 10?

Back

The LCM of 5 and 10 is 10.

Front

What is the prime factorization of 60?

Back

The prime factorization of 60 is 2² x 3 x 5.

Front

How do you find the GCF of 30 and 45?

Back

The GCF of 30 and 45 is 15.