6 – is a perfect number

Year 5 were in pursuit of the perfect number today! Perfect numbers are the sum of their factors, excluding themselves. They found 6 and 28!

Remarkably, there are only two more under 1,000,000. They are 496 and 8128. Some of us proved why these numbers were perfect.

Some of the class even delved into Euclid’s theory of how to find perfect numbers and found the 5th!! It is 33,550,036!