The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Prime Numbers in PowerShell in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st prplz 🇦🇺 1,000 28 226ms 22 Jan 2021 1st btnlq 1,000 28 216ms 22 Jan 2021 1st sisyphus-ppcg 🇦🇺 1,000 28 223ms 2 Jun 2021 1st JayXon 🇺🇸 1,000 28 221ms 12 Jul 2021 1st Lydxn 🇨🇦 1,000 28 210ms 17 Nov 2021 1st MeWhenI 🇻🇦 1,000 28 206ms 31 Mar 2024 1st bitsandbeyond 🇳🇱 1,000 28 223ms 14 May 2024 8th nwellnhof 🇩🇪 933 30 221ms 6 Dec 2021 8th sean-niemann 🇺🇸 933 30 241ms 10 Apr 2025 8th DialFrost 🇸🇬 933 30 262ms 11 Apr 2025 11th SirBogman 🇺🇸 903 31 226ms 13 Aug 2025 12th primo-ppcg 🇹🇭 848 33 260ms 12 Oct 2020 12th juliansiebert 🇩🇪 848 33 234ms 17 Aug 2022 14th stefangimmillaro 824 34 212ms 4 Aug 2023 14th Yewzir 🇧🇪 824 34 632ms 13 Apr 2024 16th KevinMarquette 🇺🇸 800 35 226ms 11 Apr 2023 16th NicolasBn 🇫🇷 800 35 212ms 21 Sep 2023 16th Feniske 🇫🇷 800 35 222ms 3 Nov 2023 19th lahell 778 36 227ms 5 Jun 2020 19th mutaguchi 778 36 218ms 12 Jun 2020 19th dcgjb 778 36 189ms 31 Jan 2024 22nd krzydoug 757 37 238ms 5 Oct 2020 22nd HumanEquivalentUnit 757 37 260ms 12 Oct 2020 22nd Skwerl23 757 37 258ms 6 Feb 2023 22nd PowershellKnut 🇳🇴 757 37 222ms 12 Feb 2023 22nd janbehrens 🇩🇪 757 37 239ms 27 Nov 2023 22nd realslacker 757 37 226ms 14 Nov 2024 22nd okhoel 🇳🇴 757 37 250ms 19 days ago 29th 5quiwyrm 737 38 251ms 9 Dec 2024 30th rvdnieuwendijk 🇳🇱 718 39 213ms 24 Jun 2020 31st TimCurwick 🇺🇸 700 40 221ms 19 Oct 2020 31st AJLindner 700 40 199ms 6 Jan 2021 33rd Arnaud-beep 🇫🇷 683 41 263ms 26 Sep 2022 34th Ripick 667 42 215ms 18 Jul 2022 34th IISResetMe 667 42 256ms 2 Jul 2023 34th Shanethegamer 🇺🇸 667 42 214ms 22 Apr 2025 37th rucin93 🇵🇱 651 43 271ms 6 Sep 2020 37th madex 🇩🇪 651 43 256ms 22 Aug 2021 37th nayakrujul 651 43 258ms 3 Jan 2023 37th kkoenig 651 43 247ms 25 Dec 2023 37th CaedenHarper 🇨🇦 651 43 261ms 26 Jan 2025 37th snoozingnewt 🇨🇦 651 43 220ms 8 Oct 2025 37th JOrE20 🇺🇸 651 43 247ms 9 days ago 44th cam2998 636 44 242ms 10 Jun 2020 44th alichraghi 636 44 235ms 15 Oct 2021 44th jaxmattfair 🇺🇸 636 44 237ms 31 Aug 2022 44th TaserTheFox 🇺🇸 636 44 278ms 5 Jun 2023 44th sultan 636 44 222ms 2 Apr 2024 44th klixel 🇨🇦 636 44 271ms 31 Dec 2024 44th gigaprofisi 🇺🇸 636 44 236ms 7 Mar 2025 51st jorgeasaurus 622 45 262ms 8 Jun 2020 51st Agazoth 622 45 257ms 8 Jun 2020 51st peculiarination 622 45 236ms 29 Apr 2021 51st MaxCastella 🇫🇷 622 45 222ms 30 Oct 2023 51st rollershutter 622 45 260ms 26 Jun 2024 56th matt9ucci 609 46 236ms 13 Jun 2020 56th HeyDude378 609 46 212ms 14 Jul 2023 58th rjmholt 596 47 247ms 3 Jun 2020 58th janssenu-assurity 596 47 250ms 2 Sep 2022 60th tofuweasel 571 49 253ms 5 Aug 2022 61st WatchBenGo 549 51 257ms 10 Jun 2020 62nd hdformat 519 54 236ms 8 Jun 2020 63rd northvandrew 491 57 241ms 8 Jun 2020 63rd danubie 491 57 241ms 24 Dec 2021 65th ze-h 🇺🇸 467 60 203ms 18 May 2022 66th sergeyz7 🇬🇧 452 62 234ms 24 Nov 2020 67th rholliday 444 63 230ms 26 Feb 2021 68th acolytegerm 438 64 242ms 14 Jun 2020 68th stahler 438 64 259ms 15 Jun 2020 68th paulhey 438 64 252ms 27 Sep 2021 71st bstrautin 424 66 201ms 9 Aug 2020 72nd hyvyys 418 67 219ms 22 Sep 2020 73rd SteveL-MSFT 400 70 198ms 4 Jun 2020 73rd Codsilla 🇨🇦 400 70 207ms 21 Jul 2020 73rd Donair2099 🇨🇦 400 70 236ms 16 Oct 2020 73rd DeniedPyro 🇨🇦 400 70 202ms 14 Nov 2020 73rd Azaroxs 🇫🇷 400 70 195ms 25 Jan 2022 73rd corbob 🇨🇦 400 70 187ms 24 Apr 2024 73rd HumanoidCPU 400 70 188ms 18 May 2024 73rd dokutan 400 70 223ms 16 Jul 2024 1–80 of 112 Next Last