or solve online (using our beta test of Penpa-Edit tools)
Theme: Prime Numbers
Author/Opus: This is the 326th puzzle from our managing editor Serkan Yürekli.
Rules: Standard Skyscrapers rules.
Difficulty: 2.5 stars
Time Standards (highlight to view): Grandmaster = 2:00, Master = 2:45, Expert = 5:30
Note: Follow this link for classic Skyscrapers puzzles and this link for variations on Skyscrapers puzzles. If you are new to this puzzle type, here are our easiest Skyscrapers Puzzles to get started on. More Skyscrapers puzzles can be found in The Art of Puzzles, in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli, and in the e-book Skyscrapers by Ashish Kumar.