Tool:
Factor Tree 
Screenshot:

Go to: 
http://nlvm.usu.edu/en/nav/frames_asid_202_g_3_t_1.html
(opens a new window)

Description: 
This manipulative allows you to construct factor trees (to the prime factors) for two numbers, and then from the prime factorization, you are asked to identify the Least Common Multiple (LCM) and the Greatest Common Factor (GCF) of the two given numbers. 
Technology Type: 
Java Applet  
Guide: 
User's Guide
(opens a new window)

Author: 
National Library of Virtual Manipulatives (Utah State University) 
Language: 
English  
Cost: 
Does not require payment for use 

Average Rating: 
[9]

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see the 2 reviews of this resource
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Discussions: 
see the 8 posts discussing this resource


Activity: 
Exploration: Factor Trees, Prime Factorization, GCF, LCM 
Support Material: 
Ask Dr. Math: FAQ: Learning to Factor 
Courses: 
Math 3 
Factor 
 Math 4 
Factor 
 Math 5 
Factor 
 Math 6 
Factor 
 Math 7 
Factor 
 Algebra 
Natural, Multiply / Divide, Common Factors 

Other Review (Not based on classroom experience)
Reviewer: arhard, Jun 11 2008 03:08:21:720PM 
Appropriate for: introduction to a concept, practice of skills and understandings 
Ability to meet my goals: Very Effective 
Recommended for: Math 4: Number theory Math 5: Number theory 

Student Review (Not based on classroom experience)
Reviewer: AngieBrock, Nov 14 2005 04:09:00:593PM 
Appropriate for: introduction to a concept, practice of skills and understandings, applications of a concept or technique 
Ability to meet my goals: Effective 
Recommended for: Algebra: Factoring Polynomials 
Read the full length reviews for this resource 



Gpa 
Comment:  too low level for Algebra level work! 
