The Calendar hole will go live in approximately 4 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 14th albanian-laundromat 824 34 532ms 38 hours ago 17th KevinMarquette 🇺🇸 800 35 226ms 11 Apr 2023 17th NicolasBn 🇫🇷 800 35 212ms 21 Sep 2023 17th Feniske 🇫🇷 800 35 222ms 3 Nov 2023 20th lahell 778 36 227ms 5 Jun 2020 20th mutaguchi 778 36 218ms 12 Jun 2020 20th dcgjb 778 36 189ms 31 Jan 2024 23rd krzydoug 757 37 238ms 5 Oct 2020 23rd HumanEquivalentUnit 757 37 260ms 12 Oct 2020 23rd Skwerl23 757 37 258ms 6 Feb 2023 23rd PowershellKnut 🇳🇴 757 37 222ms 12 Feb 2023 23rd janbehrens 🇩🇪 757 37 239ms 27 Nov 2023 23rd realslacker 757 37 226ms 14 Nov 2024 23rd okhoel 🇳🇴 757 37 250ms 21 days ago 30th 5quiwyrm 737 38 251ms 9 Dec 2024 31st rvdnieuwendijk 🇳🇱 718 39 213ms 24 Jun 2020 32nd TimCurwick 🇺🇸 700 40 221ms 19 Oct 2020 32nd AJLindner 700 40 199ms 6 Jan 2021 34th Arnaud-beep 🇫🇷 683 41 263ms 26 Sep 2022 35th Ripick 667 42 215ms 18 Jul 2022 35th IISResetMe 667 42 256ms 2 Jul 2023 35th Shanethegamer 🇺🇸 667 42 214ms 22 Apr 2025 38th rucin93 🇵🇱 651 43 271ms 6 Sep 2020 38th madex 🇩🇪 651 43 256ms 22 Aug 2021 38th nayakrujul 651 43 258ms 3 Jan 2023 38th kkoenig 651 43 247ms 25 Dec 2023 38th CaedenHarper 🇨🇦 651 43 261ms 26 Jan 2025 38th snoozingnewt 🇨🇦 651 43 220ms 8 Oct 2025 38th JOrE20 🇺🇸 651 43 247ms 12 days ago 45th cam2998 636 44 242ms 10 Jun 2020 45th alichraghi 636 44 235ms 15 Oct 2021 45th jaxmattfair 🇺🇸 636 44 237ms 31 Aug 2022 45th TaserTheFox 🇺🇸 636 44 278ms 5 Jun 2023 45th sultan 636 44 222ms 2 Apr 2024 45th klixel 🇨🇦 636 44 271ms 31 Dec 2024 45th gigaprofisi 🇺🇸 636 44 236ms 7 Mar 2025 52nd jorgeasaurus 622 45 262ms 8 Jun 2020 52nd Agazoth 622 45 257ms 8 Jun 2020 52nd peculiarination 622 45 236ms 29 Apr 2021 52nd MaxCastella 🇫🇷 622 45 222ms 30 Oct 2023 52nd rollershutter 622 45 260ms 26 Jun 2024 57th matt9ucci 609 46 236ms 13 Jun 2020 57th HeyDude378 609 46 212ms 14 Jul 2023 59th rjmholt 596 47 247ms 3 Jun 2020 59th janssenu-assurity 596 47 250ms 2 Sep 2022 61st tofuweasel 571 49 253ms 5 Aug 2022 62nd WatchBenGo 549 51 257ms 10 Jun 2020 63rd hdformat 519 54 236ms 8 Jun 2020 64th northvandrew 491 57 241ms 8 Jun 2020 64th danubie 491 57 241ms 24 Dec 2021 66th ze-h 🇺🇸 467 60 203ms 18 May 2022 67th sergeyz7 🇬🇧 452 62 234ms 24 Nov 2020 68th rholliday 444 63 230ms 26 Feb 2021 69th acolytegerm 438 64 242ms 14 Jun 2020 69th stahler 438 64 259ms 15 Jun 2020 69th paulhey 438 64 252ms 27 Sep 2021 72nd bstrautin 424 66 201ms 9 Aug 2020 73rd hyvyys 418 67 219ms 22 Sep 2020 74th SteveL-MSFT 400 70 198ms 4 Jun 2020 74th Codsilla 🇨🇦 400 70 207ms 21 Jul 2020 74th Donair2099 🇨🇦 400 70 236ms 16 Oct 2020 74th DeniedPyro 🇨🇦 400 70 202ms 14 Nov 2020 74th Azaroxs 🇫🇷 400 70 195ms 25 Jan 2022 74th corbob 🇨🇦 400 70 187ms 24 Apr 2024 74th HumanoidCPU 400 70 188ms 18 May 2024 1–80 of 113 Next Last