Grade 6 & 7 - Highest Common Factor (Alternative Method)
Grade 6 & 7 - Highest Common Factor (Alternative Method of Calculation). A 5 minute 50 second math tutorial on finding HCF using an alternative method. Tutorial done by M. Chan (Trained Certified Teacher).
Another method of finding the HCF of 2 or more numbers is to write down the numbers as shown below...in this example 28 and 60. We start dividing by numbers which can go into 28 and 60. You can start with the Prime Numbers....