Weegy: Begin the list with 1, leave some space for other numbers, and end the list with the number itself.
Test whether 2 is a factor — that is, see whether the number is divisible by 2.
If it is, add 2 to the list, [ along with the original number divided by 2 as the second-to-last number on the list.
Test the number 3 in the same way.
Continue testing numbers until the beginning of the list meets the end of the list. ] (More)