Kevin invited 15 friends to his birthday party. They played a gamewhere everyone had to separate into groups. Each group had the samenumber of children. The game could not be played with all 16 childrenin one group and each group had to have more than 1 child.


List the factor pairs of 16 and then find the different ways Kevinand his friends could divide into groups.


Why does 16 have an odd number of factors?


Can you stop checking for factor pairs when you find a pairthat repeats? Explain