Lesson 3 – Factor Tree


At the end of this lesson, students should be able to find the prime factors using the factor tree.

A factor tree is a special diagram that displays the factors of a number in the form of a tree.

Example: 1

List the prime factors of 12 using the factor tree.


Note that the prime factors have been circled.

Example: 2

Find the factors of 20 using the factor tree.


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