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 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 158th Bubbler-4 964 19 70ms 13 Sep 2023 158th 4hg 🇺🇸 964 19 69ms 13 Sep 2023 158th chunes3 🇺🇸 964 19 69ms 13 Sep 2023 158th Lydxn 🇨🇦 964 19 69ms 13 Sep 2023 158th ovs-code 🇩🇪 964 19 69ms 13 Sep 2023 158th gifti258 964 19 70ms 13 Sep 2023 158th Steffan153 🇫🇮 964 19 72ms 13 Sep 2023 158th Shanethegamer 🇺🇸 964 19 69ms 14 Sep 2023 158th Kacarott 🇦🇺 964 19 70ms 14 Sep 2023 158th primo-ppcg 🇹🇭 964 19 68ms 14 Sep 2023 158th GolfingSuccess 🇬🇷 964 19 71ms 20 Sep 2023 158th Yewzir 🇧🇪 964 19 70ms 21 Sep 2023 158th Natanaelel 🇸🇪 964 19 69ms 24 Sep 2023 158th MeWhenI 🇻🇦 964 19 71ms 2 Nov 2023 158th Betuaredead 964 19 73ms 11 Nov 2023 158th dokutan 964 19 71ms 7 May 2024 158th error256 964 19 72ms 16 May 2024 158th pardouin 🇫🇷 964 19 69ms 22 Aug 2024 158th edsrzf 🇳🇿 964 19 71ms 24 Sep 2024 158th sean-niemann 🇺🇸 964 19 65ms 7 Apr 2025 158th fuzzylojik-golf 🇺🇸 964 19 68ms 28 Aug 2025 158th snoozingnewt 🇨🇦 964 19 81ms 5 Oct 2025 158th JayXon 🇺🇸 964 19 72ms 2 Nov 2025 184th Lydxn 🇨🇦 961 38 56ms 5 Dec 2021 184th nwellnhof 🇩🇪 961 38 56ms 5 Dec 2021 184th Irratix 🇳🇱 961 38 55ms 14 Dec 2021 184th emplv 🇱🇻 961 38 55ms 14 Dec 2021 184th JayXon 🇺🇸 961 38 53ms 16 Dec 2021 184th primo-ppcg 🇹🇭 961 38 54ms 27 Dec 2021 184th akshatj27 🇦🇶 961 38 54ms 28 Dec 2021 184th DialFrost 🇸🇬 961 38 55ms 8 Feb 2023 184th Steffan153 🇫🇮 961 38 54ms 8 Feb 2023 184th rucin93 🇵🇱 961 38 55ms 9 Feb 2023 184th sean-niemann 🇺🇸 961 38 56ms 12 Feb 2023 184th Argeento 🇵🇱 961 38 54ms 8 Sep 2023 184th xsot 🇸🇬 961 38 56ms 14 Oct 2023 184th sisyphus-ppcg 🇦🇺 961 38 56ms 19 Oct 2023 184th stefangimmillaro 961 38 56ms 6 Nov 2023 184th lukegustafson 🇺🇸 961 38 54ms 18 Nov 2023 184th ovs-code 🇩🇪 961 38 56ms 27 Mar 2024 184th Yewzir 🇧🇪 961 38 56ms 8 Jun 2024 184th vlpx 🇫🇮 961 38 56ms 18 Jun 2024 184th pardouin 🇫🇷 961 38 57ms 21 Sep 2024 184th b-illy 🇬🇧 961 38 54ms 18 Feb 2025 184th fuzzylojik-golf 🇺🇸 961 38 56ms 1 Jul 2025 184th SirBogman 🇺🇸 961 38 58ms 12 Aug 2025 184th CaedenHarper 🇨🇦 961 38 55ms 18 Aug 2025 208th primo-ppcg 🇹🇭 959 21 130ms 5 Dec 2021 208th nwellnhof 🇩🇪 959 21 105ms 6 Dec 2021 208th GrayJoKing 🇦🇺 959 21 113ms 18 Oct 2023 211th MeWhenI 🇻🇦 952 45 193ms 5 Dec 2021 211th lynn 952 45 205ms 5 Dec 2021 211th c0d3-4-F00d 🇩🇪 952 45 192ms 6 Dec 2021 211th firegene 🇮🇪 952 45 192ms 6 Dec 2021 211th neihousaigaai 952 45 194ms 8 Dec 2021 211th prplz 🇦🇺 952 45 191ms 16 Dec 2021 211th ZakkkkAttackkkk 🇵🇭 952 45 153ms 20 Dec 2021 211th anter69 🇭🇺 952 45 191ms 20 Jan 2022 211th Frowny 952 45 197ms 30 Jan 2022 211th Bonjour27891 🇻🇳 952 45 192ms 9 Feb 2022 211th aryavsaigal 952 45 191ms 28 Feb 2022 211th CedricGebistorf 952 45 192ms 12 Mar 2022 211th ademdj19 952 45 191ms 13 Apr 2022 211th tkr-sh 🇰🇵 952 45 195ms 12 May 2022 211th OllieBoyne 🇬🇧 952 45 194ms 25 May 2022 211th inventshah 952 45 113ms 7 Jun 2022 211th RDShah 952 45 112ms 7 Jun 2022 211th SniperSmiley 🇺🇸 952 45 196ms 3 Jul 2022 211th jhu04 952 45 192ms 10 Jul 2022 211th bricknellj 952 45 193ms 21 Sep 2022 211th Shanethegamer 🇺🇸 952 45 192ms 7 Oct 2022 211th aksyristos 952 45 191ms 25 Oct 2022 211th M0PKOBKA 952 45 196ms 22 Dec 2022 211th StefanHabel 🇨🇦 952 45 194ms 25 Dec 2022 211th neel11235813 952 45 194ms 26 Dec 2022 211th retrohun 952 45 189ms 8 Jan 2023 211th bizy-coder 952 45 195ms 30 Jan 2023 211th CarsonChr 🇺🇸 952 45 193ms 6 Feb 2023 211th BREMAUCY 🇫🇷 952 45 193ms 15 Mar 2023 211th oceko 952 45 195ms 24 Mar 2023 First Prev 161–240 of 2,958 Next Last