This free app AFactorTree is a guide to prime factorization and its use in finding the Least Common Multiple and Greatest Common Factor or Greatest Common Divisor.

It is a companion app to BasicFrac Fractions and MulDivFrac Fractions that cover addition and subtraction of fractions and multiplication and division of fractions respectively.

Parents and guardians will find it excellent when working alongside young students.

Students will also find the app great for self study.

Topics covered include:

– Building factor trees
– Prime factorization
– Finding the LCM
– Finding the GCF or GCD

Examples highlight and simplify areas that young students find hard.

The app encourages flexible thinking by presenting various approaches to the subject matter.

Large crystal clear text and extensive graphics make the app ideal for in depth study or for quick reference.

The app has a comprehensive set of examples.

Sidenote: At the point of posting this program has been marked as beeing freely available without costs. As this program is hosted with the AppStore the status might change. Authors like to publish their programs for free for promotion purpose and then make it commercial. Also it could happen that the author decides to take the program down.