If c and d are positive integers

Sam Kinsman, Magoosh Tutor

Hi Megashree,

To solve this problem, Chris chose the following numbers:

c=8
d=4
m=4

Chris chose these numbers because they satisfy what the question told us ("c and d are positive integers and m is the greatest common factor of c and d"), and they are relatively small, which means they are easy to work with.

Those are the two things you should think about when you're choosing numbers for variables: you should make sure that the numbers satisfy what the question tells us, and that the numbers are easy to work with. Also, you should avoid picking the numbers 1 and 0, since they tend to behave a bit differently than other numbers do.

Oct 4, 2016 • Reply