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 878th duckyluuk 🇳🇱 867 15 33ms 19 Sep 2024 878th Samuel-George-Greenberger 867 15 35ms 36 hours ago 883rd NickTheEASDude 🇺🇸 867 68 495ms 14 Nov 2023 884th primo-ppcg 🇹🇭 867 180 1,125ms 10 Jul 2025 885th primo-ppcg 🇹🇭 866 23 81ms 8 Dec 2021 886th DialFrost 🇸🇬 866 111 504ms 3 Mar 2025 886th MeWhenI 🇻🇦 866 111 587ms 28 Mar 2025 886th emgordon154 866 111 514ms 29 Apr 2025 889th ovs-code 🇩🇪 866 137 2,256ms 8 Jul 2024 890th Shanethegamer 🇺🇸 865 55 544ms 5 Dec 2021 890th GrayJoKing 🇦🇺 865 55 538ms 6 Dec 2021 890th SirBogman 🇺🇸 865 55 536ms 6 Dec 2021 890th MeWhenI 🇻🇦 865 55 531ms 6 Dec 2021 890th JayXon 🇺🇸 865 55 524ms 22 Dec 2021 890th Awsute 865 55 522ms 1 Mar 2022 890th strout 865 55 529ms 15 Aug 2022 890th Steffan153 🇫🇮 865 55 560ms 14 Jan 2023 890th ashtraypettingzoo 🇺🇸 865 55 543ms 9 Feb 2023 890th CatsAreFluffy 865 55 316ms 13 Mar 2023 890th scpchicken 🇵🇼 865 55 532ms 16 Mar 2023 890th aDwarfNamedUrist 865 55 332ms 10 Jul 2023 890th btnlq 865 55 547ms 14 Oct 2023 890th DialFrost 🇸🇬 865 55 529ms 5 Aug 2024 890th CaedenHarper 🇨🇦 865 55 541ms 26 Jan 2025 890th YAJUE114514 865 55 583ms 30 Jul 2025 890th HolmDev 865 55 536ms 10 Sep 2025 890th snoozingnewt 🇨🇦 865 55 520ms 19 Oct 2025 908th Steffan153 🇫🇮 865 57 563ms 16 Jan 2023 908th DialFrost 🇸🇬 865 57 582ms 26 Dec 2024 908th snoozingnewt 🇨🇦 865 57 582ms 28 Sep 2025 911th GolfingSuccess 🇬🇷 865 77 174ms 20 days ago 911th DialFrost 🇸🇬 865 77 280ms 17 days ago 911th edsrzf 🇳🇿 865 77 166ms 13 days ago 911th snoozingnewt 🇨🇦 865 77 205ms 6 days ago 915th AdrienHache 🇫🇷 865 81 120ms 6 Jan 2024 915th zygoloid 865 81 2,490ms 4 Aug 2024 915th tailorspy 865 81 103ms 5 Aug 2024 915th qwertyuiop3 🇷🇺 865 81 104ms 15 May 2025 919th Lydxn 🇨🇦 864 99 77ms 6 Dec 2021 920th ovs-code 🇩🇪 863 61 1,557ms 8 Mar 2023 920th clockworknazo 863 61 1,564ms 26 Mar 2023 920th Lydxn 🇨🇦 863 61 1,156ms 9 Nov 2023 923rd AlephSquirrel 863 66 254ms 28 Jul 2023 923rd typeswitch-dev 🇵🇹 863 66 262ms 5 Aug 2023 925th JayXon 🇺🇸 863 136 1,677ms 15 Sep 2025 926th janbehrens 🇩🇪 862 62 356ms 6 Dec 2021 927th GrayJoKing 🇦🇺 861 71 65ms 2 Jul 2022 927th primo-ppcg 🇹🇭 861 71 164ms 4 Jul 2022 927th 386asm 🇺🇸 861 71 51ms 10 Apr 2023 930th MeWhenI 🇻🇦 860 37 721ms 5 Dec 2021 930th sisyphus-ppcg 🇦🇺 860 37 785ms 5 Dec 2021 930th aksyristos 860 37 605ms 25 Oct 2022 930th GrayJoKing 🇦🇺 860 37 693ms 19 Nov 2022 930th alemelis 860 37 833ms 20 Feb 2024 930th pardouin 🇫🇷 860 37 720ms 22 Aug 2024 930th CaedenHarper 🇨🇦 860 37 665ms 26 Jan 2025 930th Daniel-Ellison 860 37 658ms 11 Sep 2025 930th FortuiteMan 🇫🇷 860 37 640ms 16 Sep 2025 930th snoozingnewt 🇨🇦 860 37 783ms 8 Oct 2025 940th sean-niemann 🇺🇸 860 77 521ms 24 Sep 2025 940th Shanethegamer 🇺🇸 860 77 486ms 25 Sep 2025 940th namelessiw 860 77 426ms 2 Oct 2025 940th Yewzir 🇧🇪 860 77 509ms 2 Oct 2025 940th stefangimmillaro 860 77 480ms 6 Oct 2025 940th kmathis22 860 77 481ms 24 Oct 2025 940th Jacob385 860 77 499ms 27 Oct 2025 940th MeWhenI 🇻🇦 860 77 471ms 7 Nov 2025 948th Sakisan 🇧🇪 859 39 104ms 8 Aug 2022 949th tobeannouncd 857 50 194ms 19 Sep 2023 949th NickTheEASDude 🇺🇸 857 50 116ms 11 Oct 2024 949th lifthrasiir 🇰🇷 857 50 126ms 21 Nov 2024 952nd ovs-code 🇩🇪 857 137 1,656ms 14 Sep 2025 953rd SirBogman 🇺🇸 855 60 9ms 6 Dec 2021 953rd Alex-x90 🇺🇸 855 60 43ms 8 Jun 2022 953rd jared-hughes 855 60 10ms 24 Oct 2022 953rd Shanethegamer 🇺🇸 855 60 42ms 3 Apr 2023 953rd Yewzir 🇧🇪 855 60 43ms 30 Sep 2023 953rd not-a-pokemon 855 60 42ms 27 Mar 2025 953rd iczelia 🇩🇪 855 60 43ms 11 Oct 2025 960th Shanethegamer 🇺🇸 855 69 392ms 2 Dec 2022 First Prev 881–960 of 2,936 Next Last