The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Prime Numbers (Long) in all languages in chars. 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 Chars Time Submitted 799th SirBogman 🇺🇸 879 32 480ms 13 Aug 2025 802nd Shanethegamer 🇺🇸 879 56 289ms 10 Sep 2022 803rd zacjl 877 60 32ms 10 Oct 2024 803rd emgordon154 877 60 27ms 10 Dec 2024 805th GrayJoKing 🇦🇺 877 73 480ms 4 Mar 2022 806th primo-ppcg 🇹🇭 877 99 403ms 5 Dec 2021 806th janbehrens 🇩🇪 877 99 327ms 6 Dec 2021 806th DialFrost 🇸🇬 877 99 311ms 27 days ago 809th nwellnhof 🇩🇪 876 37 2,685ms 9 Jun 2022 809th fuzzylojik-golf 🇺🇸 876 37 2,480ms 19 Jul 2025 811th GolfingSuccess 🇬🇷 876 80 95ms 2 Jan 2022 811th m-tkach 🇺🇦 876 80 554ms 2 Jan 2022 811th iakolzin 876 80 120ms 2 Jun 2022 811th sean-niemann 🇺🇸 876 80 129ms 14 Oct 2022 811th Steffan153 🇫🇮 876 80 107ms 27 Mar 2023 811th Irratix 🇳🇱 876 80 102ms 3 Aug 2023 811th DialFrost 🇸🇬 876 80 122ms 3 Nov 2023 811th xsot 🇸🇬 876 80 115ms 30 Jan 2024 811th ovs-code 🇩🇪 876 80 107ms 4 May 2024 811th JohandeRuiter 🇳🇱 876 80 489ms 31 Aug 2024 811th Yax42 🇫🇷 876 80 131ms 4 Oct 2025 822nd j2e2 🇪🇸 875 55 144ms 3 Mar 2025 823rd prplz 🇦🇺 874 21 214ms 6 Dec 2021 823rd Steffan153 🇫🇮 874 21 189ms 30 Oct 2022 823rd DialFrost 🇸🇬 874 21 193ms 10 Feb 2023 823rd SirFireball3521 874 21 207ms 27 Feb 2023 823rd Natanaelel 🇸🇪 874 21 202ms 3 Dec 2023 823rd ovs-code 🇩🇪 874 21 310ms 29 Dec 2023 823rd pardouin 🇫🇷 874 21 164ms 20 Aug 2024 823rd sean-niemann 🇺🇸 874 21 174ms 17 Jan 2025 823rd fuzzylojik-golf 🇺🇸 874 21 208ms 20 Jun 2025 823rd edsrzf 🇳🇿 874 21 167ms 12 Oct 2025 833rd CameronGBell 874 49 192ms 16 Nov 2022 833rd snydej 874 49 152ms 3 Dec 2024 835th shellbertt 🇨🇦 872 36 50ms 6 Dec 2021 835th orthoplex 🇨🇽 872 36 58ms 30 Mar 2022 835th DaCuteRaccoon 872 36 42ms 17 Apr 2022 835th jared-hughes 872 36 45ms 20 Sep 2022 835th OhmNomNom 872 36 43ms 9 Oct 2022 835th annaproxy 872 36 42ms 15 Sep 2023 835th dokutan 872 36 45ms 30 Apr 2024 835th LostSyntax21 🇬🇧 872 36 62ms 24 Jul 2025 843rd edsrzf 🇳🇿 872 59 131ms 11 Feb 2025 843rd DialFrost 🇸🇬 872 59 137ms 25 Jun 2025 845th clockworknazo 871 19 101ms 9 Aug 2022 845th saito-ta 🇯🇵 871 19 474ms 7 Nov 2022 847th Jacob385 870 45 570ms 4 Apr 2024 847th RedzGoose 🇦🇺 870 45 531ms 12 Sep 2024 849th duckyluuk 🇳🇱 870 52 4,257ms 25 Oct 2024 849th Briseglace 870 52 4,637ms 8 Apr 2025 851st GolfingSuccess 🇬🇷 870 59 42ms 5 Dec 2021 851st GrayJoKing 🇦🇺 870 59 42ms 4 Mar 2022 851st MeWhenI 🇻🇦 870 59 43ms 6 Nov 2022 851st Bmrl7 870 59 40ms 11 Jul 2023 851st Widgitty 870 59 51ms 31 Jul 2023 851st Attero 🇸🇪 870 59 50ms 20 Sep 2023 851st AdrienHache 🇫🇷 870 59 44ms 6 Jan 2024 851st Mandrzejy 🇵🇱 870 59 4,944ms 31 May 2024 851st CaedenHarper 🇨🇦 870 59 43ms 26 Jan 2025 851st emgordon154 870 59 44ms 1 Jul 2025 851st fuzzylojik-golf 🇺🇸 870 59 44ms 14 Aug 2025 851st Yax42 🇫🇷 870 59 43ms 15 Oct 2025 863rd dmrichwa 🇺🇸 869 42 92ms 19 Oct 2023 863rd targrik 869 42 52ms 19 Feb 2025 863rd Yax42 🇫🇷 869 42 52ms 10 Sep 2025 866th GrayJoKing 🇦🇺 869 55 1,201ms 19 Nov 2025 866th ovs-code 🇩🇪 869 55 1,172ms 19 Nov 2025 868th 0xjac 🇨🇭 869 100 271ms 18 Nov 2025 869th DialFrost 🇸🇬 868 43 189ms 3 Aug 2024 869th GrayJoKing 🇦🇺 868 43 171ms 4 Aug 2024 869th pardouin 🇫🇷 868 43 185ms 28 Feb 2025 872nd Steffan153 🇫🇮 868 52 189ms 9 Feb 2023 873rd GrayJoKing 🇦🇺 868 76 214ms 20 Jan 2023 873rd Steffan153 🇫🇮 868 76 207ms 31 Mar 2023 873rd lynn 868 76 132ms 18 Jul 2023 873rd m-tkach 🇺🇦 868 76 219ms 3 Aug 2023 877th canissimia 🇦🇶 868 116 1,945ms 14 Nov 2022 878th Garklein 🇨🇦 867 15 34ms 4 Jan 2022 878th dragonsourced 867 15 34ms 21 Apr 2022 878th AlephSquirrel 867 15 34ms 1 Jul 2022 First Prev 801–880 of 2,936 Next Last