1. Factoring an Integer My favorite way of factoring an integer is by using a Factor Tree Shown below is a simple problem, factoring the number 18 18 29 33

2. I took this concept and made it into a concept map The Concept map is shown on the next slide

3. Concept Map of the Prime Factorization of an Integer Can you divide the number by 2? YesNo Divide by 2? 2 New number Prime? Yes Done No Can you divide the number by 3? YesNo New number Prime? Yes Done No Divide by 3? 3 Can you divide the number by 5? YesNo Divide by 2? 5 New number Prime? Yes Done No Can you divide the number by7? YesNo New number Prime? Yes Done No Divide by 3? 7 Can you divide the number by 9? YesNo Divide by 2? 2 New number Prime? Yes Done No Can you divide the number by 11? YesNo New number Prime? Yes Done No Divide by 3? 3 Keep going with the known prime numbers