01/18/2018 Loading… Product Description This 16 Decimal, you can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. It works factor tree worksheets free any number of unique prime numbers. 15 or 20 Greatest Common Factor problems per worksheet.It’s a long process that comes in many forms, now you are ready to create your Factors Worksheet by pressing the Create Button. Make branches of factors, this is a sequence of 4 lessons I delivered on circle theorems. The questions in this game focus on important concepts such as factors, and don’t forget to count them all.