125 is a composite number. 125 = 1 x 125 or 5 x 25. Factors of 125: 1, 5, 25, 125. Prime factorization: 125 = 5 x 5 x 5, which can also be written 125 = 5³.
125 is never a clue in the FIND THE FACTORS puzzles.
Placing the last few factors on this Level 4 puzzle may be a bit trickier than usual. As always, use logic, not guessing and checking, to find its one and only solution. Good luck!
Excel file of this week’s puzzles and last week’s factors: 12 Factors 2014-05-19