Using Prime Factorization to find GCF/LCM

This is a set of 7 worksheets designed to be used as a step by step lesson in finding the prime factorization of a number, and then using that procedure to find the GCF and LCM of two numbers. The worksheets are in guided note format and include guided examples for each step. There is also a quiz to assess your students' progress.

These can be used to address the Common Core State Standards 6.NS.B.4 and 4.OA.B.4.

This product is part of two different bundles:
GCF/LCM Bundle
Number Sense Bundle


If you are looking for more practice with GCF and LCM check out my
GCF/LCM Task Cards
Factors and Multiples Real World/Performance Task


Also take a look at my Math Notebook folding resource
for deciding if you need to find GCF or LCM in word problems.