Factor properties (HCF & LCM) - The highest common factor of two numbers is the largest number that divides both of them exactly; this property is used to simplify expressions. The lowest common multiple of two or more numbers is the smallest number that they are all factors of; this property is used to rename factors.
Activity 2: Pick a number and list all the factors for that number
Activity 3: Pick 3 numbers and create factor flowers for those numbers