39 = 1 x 39 or 3 x Factors of Prime factorization: 39 = 3 x 39 is never a clue in the FIND THE FACTORS or puzzles. Last Tuesday I published a hook-shaped level 2 puzzle and invited readers toâ€¦

(å››è§’), which means four corners in Japanese, is a fun puzzle game where you fill a puzzle board with quadrilaterals (squares and rectangles) using the clues o.