The Calendar hole will go live in approximately 4 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 881st Garklein 🇨🇦 867 15 34ms 4 Jan 2022 881st dragonsourced 867 15 34ms 21 Apr 2022 881st AlephSquirrel 867 15 34ms 1 Jul 2022 881st duckyluuk 🇳🇱 867 15 33ms 19 Sep 2024 881st Samuel-George-Greenberger 867 15 35ms 10 days ago 886th NickTheEASDude 🇺🇸 867 68 566ms 14 Nov 2023 887th primo-ppcg 🇹🇭 867 180 1,125ms 10 Jul 2025 888th primo-ppcg 🇹🇭 866 23 81ms 8 Dec 2021 889th DialFrost 🇸🇬 866 111 504ms 3 Mar 2025 889th MeWhenI 🇻🇦 866 111 587ms 28 Mar 2025 889th emgordon154 866 111 514ms 29 Apr 2025 892nd ovs-code 🇩🇪 866 137 2,256ms 8 Jul 2024 893rd Shanethegamer 🇺🇸 865 55 544ms 5 Dec 2021 893rd GrayJoKing 🇦🇺 865 55 538ms 6 Dec 2021 893rd SirBogman 🇺🇸 865 55 536ms 6 Dec 2021 893rd MeWhenI 🇻🇦 865 55 531ms 6 Dec 2021 893rd JayXon 🇺🇸 865 55 524ms 22 Dec 2021 893rd Awsute 865 55 522ms 1 Mar 2022 893rd strout 865 55 529ms 15 Aug 2022 893rd Steffan153 🇫🇮 865 55 560ms 14 Jan 2023 893rd ashtraypettingzoo 🇺🇸 865 55 543ms 9 Feb 2023 893rd CatsAreFluffy 865 55 316ms 13 Mar 2023 893rd scpchicken 🇵🇼 865 55 532ms 16 Mar 2023 893rd aDwarfNamedUrist 865 55 332ms 10 Jul 2023 893rd btnlq 865 55 547ms 14 Oct 2023 893rd DialFrost 🇸🇬 865 55 529ms 5 Aug 2024 893rd CaedenHarper 🇨🇦 865 55 541ms 26 Jan 2025 893rd YAJUE114514 865 55 583ms 30 Jul 2025 893rd HolmDev 865 55 536ms 10 Sep 2025 893rd snoozingnewt 🇨🇦 865 55 520ms 19 Oct 2025 911th Steffan153 🇫🇮 865 57 563ms 16 Jan 2023 911th DialFrost 🇸🇬 865 57 582ms 26 Dec 2024 911th snoozingnewt 🇨🇦 865 57 582ms 28 Sep 2025 914th GolfingSuccess 🇬🇷 865 77 174ms 27 Nov 2025 914th DialFrost 🇸🇬 865 77 280ms 26 days ago 914th edsrzf 🇳🇿 865 77 166ms 21 days ago 914th snoozingnewt 🇨🇦 865 77 205ms 15 days ago 918th AdrienHache 🇫🇷 865 81 102ms 6 Jan 2024 918th zygoloid 865 81 2,490ms 4 Aug 2024 918th tailorspy 865 81 103ms 5 Aug 2024 918th qwertyuiop3 🇷🇺 865 81 99ms 15 May 2025 922nd Lydxn 🇨🇦 864 99 77ms 6 Dec 2021 923rd ovs-code 🇩🇪 863 61 1,557ms 8 Mar 2023 923rd clockworknazo 863 61 1,564ms 26 Mar 2023 923rd Lydxn 🇨🇦 863 61 1,156ms 9 Nov 2023 926th AlephSquirrel 863 66 254ms 28 Jul 2023 926th typeswitch-dev 🇵🇹 863 66 262ms 5 Aug 2023 928th JayXon 🇺🇸 863 136 1,677ms 15 Sep 2025 929th janbehrens 🇩🇪 862 62 356ms 6 Dec 2021 930th GrayJoKing 🇦🇺 861 71 65ms 2 Jul 2022 930th primo-ppcg 🇹🇭 861 71 164ms 4 Jul 2022 930th 386asm 🇺🇸 861 71 51ms 10 Apr 2023 933rd MeWhenI 🇻🇦 860 37 578ms 5 Dec 2021 933rd sisyphus-ppcg 🇦🇺 860 37 615ms 5 Dec 2021 933rd aksyristos 860 37 593ms 25 Oct 2022 933rd GrayJoKing 🇦🇺 860 37 658ms 19 Nov 2022 933rd alemelis 860 37 646ms 20 Feb 2024 933rd pardouin 🇫🇷 860 37 622ms 22 Aug 2024 933rd CaedenHarper 🇨🇦 860 37 599ms 26 Jan 2025 933rd Daniel-Ellison 860 37 550ms 11 Sep 2025 933rd FortuiteMan 🇫🇷 860 37 589ms 16 Sep 2025 933rd snoozingnewt 🇨🇦 860 37 603ms 8 Oct 2025 943rd sean-niemann 🇺🇸 860 77 521ms 24 Sep 2025 943rd Shanethegamer 🇺🇸 860 77 486ms 25 Sep 2025 943rd namelessiw 860 77 426ms 2 Oct 2025 943rd Yewzir 🇧🇪 860 77 509ms 2 Oct 2025 943rd stefangimmillaro 860 77 480ms 6 Oct 2025 943rd kmathis22 860 77 481ms 24 Oct 2025 943rd Jacob385 860 77 499ms 27 Oct 2025 943rd MeWhenI 🇻🇦 860 77 471ms 7 Nov 2025 951st Sakisan 🇧🇪 859 39 104ms 8 Aug 2022 952nd tobeannouncd 857 50 194ms 19 Sep 2023 952nd NickTheEASDude 🇺🇸 857 50 116ms 11 Oct 2024 952nd lifthrasiir 🇰🇷 857 50 126ms 21 Nov 2024 955th ovs-code 🇩🇪 857 137 1,656ms 14 Sep 2025 956th Florian-Mt 855 53 3,160ms 22 days ago 957th SirBogman 🇺🇸 855 60 9ms 6 Dec 2021 957th Alex-x90 🇺🇸 855 60 43ms 8 Jun 2022 957th jared-hughes 855 60 10ms 24 Oct 2022 957th Shanethegamer 🇺🇸 855 60 42ms 3 Apr 2023 First Prev 881–960 of 2,940 Next Last