Find the highest common factor and lowest common multiple of 50 and 70 by following the steps below:
What is 50 as a product of its prime factors?
What is 70 as a product of its prime factors?
What is the HCF of 50 and 70? (find it by multiplying together the factors which appear in both lists above)
What is the LCM of 50 and 70? (find it by multiplying together the factors which appear in either list above)
