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 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 157th 4hg 🇺🇸 964 19 72ms 13 Sep 2023 157th chunes3 🇺🇸 964 19 74ms 13 Sep 2023 157th Lydxn 🇨🇦 964 19 72ms 13 Sep 2023 157th ovs-code 🇩🇪 964 19 69ms 13 Sep 2023 157th gifti258 964 19 70ms 13 Sep 2023 157th Steffan153 🇫🇮 964 19 73ms 13 Sep 2023 157th Shanethegamer 🇺🇸 964 19 70ms 14 Sep 2023 157th Kacarott 🇦🇺 964 19 70ms 14 Sep 2023 157th primo-ppcg 🇹🇭 964 19 72ms 14 Sep 2023 157th GolfingSuccess 🇬🇷 964 19 71ms 20 Sep 2023 157th Yewzir 🇧🇪 964 19 72ms 21 Sep 2023 157th Natanaelel 🇸🇪 964 19 71ms 24 Sep 2023 157th MeWhenI 🇻🇦 964 19 73ms 2 Nov 2023 157th Betuaredead 964 19 73ms 11 Nov 2023 157th dokutan 964 19 71ms 7 May 2024 157th error256 964 19 72ms 16 May 2024 157th pardouin 🇫🇷 964 19 69ms 22 Aug 2024 157th edsrzf 🇳🇿 964 19 71ms 24 Sep 2024 157th sean-niemann 🇺🇸 964 19 65ms 7 Apr 2025 157th fuzzylojik-golf 🇺🇸 964 19 68ms 28 Aug 2025 157th snoozingnewt 🇨🇦 964 19 92ms 5 Oct 2025 157th JayXon 🇺🇸 964 19 72ms 2 Nov 2025 183rd Lydxn 🇨🇦 961 38 56ms 5 Dec 2021 183rd nwellnhof 🇩🇪 961 38 56ms 5 Dec 2021 183rd Irratix 🇳🇱 961 38 55ms 14 Dec 2021 183rd emplv 🇱🇻 961 38 55ms 14 Dec 2021 183rd JayXon 🇺🇸 961 38 53ms 16 Dec 2021 183rd primo-ppcg 🇹🇭 961 38 54ms 27 Dec 2021 183rd akshatj27 🇦🇶 961 38 54ms 28 Dec 2021 183rd DialFrost 🇸🇬 961 38 55ms 8 Feb 2023 183rd Steffan153 🇫🇮 961 38 54ms 8 Feb 2023 183rd rucin93 🇵🇱 961 38 55ms 9 Feb 2023 183rd sean-niemann 🇺🇸 961 38 56ms 12 Feb 2023 183rd Argeento 🇵🇱 961 38 54ms 8 Sep 2023 183rd xsot 🇸🇬 961 38 56ms 14 Oct 2023 183rd sisyphus-ppcg 🇦🇺 961 38 56ms 19 Oct 2023 183rd stefangimmillaro 961 38 56ms 6 Nov 2023 183rd lukegustafson 🇺🇸 961 38 54ms 18 Nov 2023 183rd ovs-code 🇩🇪 961 38 56ms 27 Mar 2024 183rd Yewzir 🇧🇪 961 38 56ms 8 Jun 2024 183rd vlpx 🇫🇮 961 38 56ms 18 Jun 2024 183rd pardouin 🇫🇷 961 38 57ms 21 Sep 2024 183rd b-illy 🇬🇧 961 38 54ms 18 Feb 2025 183rd fuzzylojik-golf 🇺🇸 961 38 56ms 1 Jul 2025 183rd SirBogman 🇺🇸 961 38 58ms 12 Aug 2025 183rd CaedenHarper 🇨🇦 961 38 55ms 18 Aug 2025 207th primo-ppcg 🇹🇭 959 21 131ms 5 Dec 2021 207th nwellnhof 🇩🇪 959 21 212ms 6 Dec 2021 207th GrayJoKing 🇦🇺 959 21 130ms 18 Oct 2023 210th MeWhenI 🇻🇦 952 45 193ms 5 Dec 2021 210th lynn 952 45 205ms 5 Dec 2021 210th c0d3-4-F00d 🇩🇪 952 45 192ms 6 Dec 2021 210th firegene 🇮🇪 952 45 192ms 6 Dec 2021 210th neihousaigaai 952 45 194ms 8 Dec 2021 210th prplz 🇦🇺 952 45 191ms 16 Dec 2021 210th ZakkkkAttackkkk 🇵🇭 952 45 153ms 20 Dec 2021 210th anter69 🇭🇺 952 45 191ms 20 Jan 2022 210th Frowny 952 45 197ms 30 Jan 2022 210th Bonjour27891 🇻🇳 952 45 192ms 9 Feb 2022 210th aryavsaigal 952 45 191ms 28 Feb 2022 210th CedricGebistorf 952 45 192ms 12 Mar 2022 210th ademdj19 952 45 191ms 13 Apr 2022 210th tkr-sh 🇰🇵 952 45 195ms 12 May 2022 210th OllieBoyne 🇬🇧 952 45 194ms 25 May 2022 210th inventshah 952 45 113ms 7 Jun 2022 210th RDShah 952 45 112ms 7 Jun 2022 210th SniperSmiley 🇺🇸 952 45 196ms 3 Jul 2022 210th jhu04 952 45 192ms 10 Jul 2022 210th bricknellj 952 45 193ms 21 Sep 2022 210th Shanethegamer 🇺🇸 952 45 192ms 7 Oct 2022 210th aksyristos 952 45 191ms 25 Oct 2022 210th M0PKOBKA 952 45 196ms 22 Dec 2022 210th StefanHabel 🇨🇦 952 45 194ms 25 Dec 2022 210th neel11235813 952 45 194ms 26 Dec 2022 210th retrohun 952 45 189ms 8 Jan 2023 210th bizy-coder 952 45 195ms 30 Jan 2023 210th CarsonChr 🇺🇸 952 45 193ms 6 Feb 2023 210th BREMAUCY 🇫🇷 952 45 193ms 15 Mar 2023 210th oceko 952 45 195ms 24 Mar 2023 210th ejini6969 952 45 199ms 1 Apr 2023 First Prev 161–240 of 2,954 Next Last