The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Prime Numbers in all languages 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 115th edsrzf 🇳🇿 981 40 10ms 22 Jul 2025 115th CaedenHarper 🇨🇦 981 40 9ms 28 Aug 2025 115th qpwoeirut 981 40 9ms 1 Oct 2025 115th Babafaba 981 40 9ms 5 Nov 2025 115th sunleonid 981 40 10ms 25 days ago 115th ryyyn 🇺🇸 981 40 9ms 16 days ago 167th primo-ppcg 🇹🇭 972 36 9ms 28 Nov 2018 167th ETHproductions 🇺🇸 972 36 9ms 22 Dec 2018 167th prplz 🇦🇺 972 36 9ms 19 Apr 2019 167th emplv 🇱🇻 972 36 8ms 19 Apr 2020 167th thisishowmymindworks 🇳🇴 972 36 9ms 22 Aug 2020 167th ToriTheChicken 972 36 8ms 23 Aug 2020 167th Irratix 🇳🇱 972 36 8ms 23 Aug 2020 167th Argeento 🇵🇱 972 36 9ms 7 Sep 2020 167th rucin93 🇵🇱 972 36 8ms 7 Sep 2020 167th tomtheisen 🇺🇸 972 36 8ms 27 Oct 2020 167th PatrickStephansen 🇿🇦 972 36 9ms 7 Nov 2020 167th JayXon 🇺🇸 972 36 9ms 18 Nov 2020 167th o0lit3 🇺🇸 972 36 8ms 18 Dec 2020 167th Attero 🇸🇪 972 36 8ms 4 Jan 2021 167th HPWiz 🇳🇿 972 36 8ms 27 Mar 2021 167th sisyphus-ppcg 🇦🇺 972 36 9ms 4 Apr 2021 167th GrayJoKing 🇦🇺 972 36 9ms 9 Apr 2021 167th inventshah 972 36 9ms 16 Apr 2021 167th Lydxn 🇨🇦 972 36 9ms 12 Jul 2021 167th Waffle3z 972 36 8ms 12 Jul 2021 167th KatieLG 🇬🇧 972 36 8ms 22 Oct 2021 167th NewDefectus 🇮🇱 972 36 9ms 27 Dec 2021 167th akshatj27 🇦🇶 972 36 9ms 27 Dec 2021 167th ovs-code 🇩🇪 972 36 9ms 3 May 2022 167th radarek 🇵🇱 972 36 9ms 14 May 2022 167th jared-hughes 972 36 9ms 6 Jul 2022 167th DialFrost 🇸🇬 972 36 9ms 13 Jan 2023 167th Steffan153 🇫🇮 972 36 8ms 14 Jan 2023 167th sean-niemann 🇺🇸 972 36 9ms 28 Jan 2023 167th dmrichwa 🇺🇸 972 36 8ms 4 Mar 2023 167th Maznek 972 36 8ms 20 Jun 2023 167th xsot 🇸🇬 972 36 9ms 13 Oct 2023 167th lukegustafson 🇺🇸 972 36 9ms 18 Nov 2023 167th two-bad 🇬🇧 972 36 8ms 1 Feb 2024 167th helbling 🇨🇭 972 36 9ms 11 Mar 2024 167th vlpx 🇫🇮 972 36 8ms 18 Jun 2024 167th pardouin 🇫🇷 972 36 8ms 4 Aug 2024 167th b-illy 🇬🇧 972 36 9ms 29 Sep 2024 167th voytxt 🇨🇿 972 36 9ms 15 Jan 2025 167th Lv0Sys 🇵🇱 972 36 9ms 3 Jun 2025 167th fuzzylojik-golf 🇺🇸 972 36 9ms 6 Jul 2025 167th albanian-laundromat 972 36 9ms 1 Oct 2025 167th snoozingnewt 🇨🇦 972 36 9ms 25 days ago 210th saito-ta 🇯🇵 966 17 36ms 26 Jul 2022 210th Lydxn 🇨🇦 966 17 58ms 26 Jul 2022 210th clockworknazo 966 17 59ms 9 Aug 2022 213th GrayJoKing 🇦🇺 964 21 197ms 9 May 2021 213th prplz 🇦🇺 964 21 141ms 9 May 2021 213th sisyphus-ppcg 🇦🇺 964 21 122ms 9 May 2021 213th primo-ppcg 🇹🇭 964 21 113ms 10 May 2021 213th Lydxn 🇨🇦 964 21 129ms 25 Sep 2021 213th nwellnhof 🇩🇪 964 21 227ms 6 Dec 2021 213th HPWiz 🇳🇿 964 21 281ms 10 Mar 2022 213th scpchicken 🇵🇼 964 21 125ms 10 Mar 2022 213th Steffan153 🇫🇮 964 21 145ms 30 Oct 2022 213th DialFrost 🇸🇬 964 21 107ms 10 Feb 2023 213th SirFireball3521 964 21 151ms 27 Feb 2023 213th Natanaelel 🇸🇪 964 21 107ms 3 Dec 2023 213th ovs-code 🇩🇪 964 21 123ms 29 Dec 2023 213th pardouin 🇫🇷 964 21 118ms 20 Aug 2024 213th sean-niemann 🇺🇸 964 21 171ms 17 Jan 2025 213th fuzzylojik-golf 🇺🇸 964 21 122ms 20 Jun 2025 213th edsrzf 🇳🇿 964 21 164ms 12 Oct 2025 230th Lydxn 🇨🇦 961 31 33ms 6 Jun 2020 230th primo-ppcg 🇹🇭 961 31 36ms 8 Oct 2020 230th sisyphus-ppcg 🇦🇺 961 31 49ms 6 Nov 2020 230th KatieLG 🇬🇧 961 31 35ms 1 Dec 2020 230th xsot 🇸🇬 961 31 32ms 1 Jan 2021 230th janlelis 961 31 34ms 10 Feb 2021 230th JayXon 🇺🇸 961 31 36ms 8 Mar 2021 230th GrayJoKing 🇦🇺 961 31 38ms 8 Sep 2021 230th orthoplex 🇨🇽 961 31 39ms 31 Mar 2022 230th lynn 961 31 36ms 21 Apr 2022 230th radarek 🇵🇱 961 31 38ms 13 May 2022 First Prev 161–240 of 5,345 Next Last
