The Calendar hole will go live in approximately 3 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 393rd Natanaelel 🇸🇪 933 51 287ms 22 Apr 2025 393rd iczelia 🇩🇪 933 51 286ms 19 Oct 2025 403rd primo-ppcg 🇹🇭 933 56 44ms 5 Dec 2021 403rd JayXon 🇺🇸 933 56 44ms 6 Dec 2021 403rd m-tkach 🇺🇦 933 56 44ms 7 Dec 2021 403rd ovs-code 🇩🇪 933 56 44ms 22 Aug 2023 403rd saito-ta 🇯🇵 933 56 44ms 13 Oct 2023 403rd 09cf 933 56 4,127ms 19 Oct 2023 409th JayXon 🇺🇸 933 71 453ms 27 Sep 2025 409th DialFrost 🇸🇬 933 71 418ms 13 Nov 2025 409th KasperKivimaeki 🇫🇮 933 71 440ms 26 days ago 409th Lydxn 🇨🇦 933 71 374ms 14 days ago 413th DialFrost 🇸🇬 932 43 446ms 15 Jan 2024 413th kg583 🇺🇸 932 43 444ms 15 Jan 2024 413th sean-niemann 🇺🇸 932 43 485ms 15 Jan 2024 413th GolfingSuccess 🇬🇷 932 43 440ms 15 Jan 2024 413th GrayJoKing 🇦🇺 932 43 446ms 15 Jan 2024 413th Lydxn 🇨🇦 932 43 443ms 16 Jan 2024 413th Steffan153 🇫🇮 932 43 474ms 16 Jan 2024 413th sisyphus-ppcg 🇦🇺 932 43 446ms 16 Jan 2024 413th ovs-code 🇩🇪 932 43 426ms 16 Jan 2024 413th rucin93 🇵🇱 932 43 439ms 16 Jan 2024 413th JayXon 🇺🇸 932 43 445ms 18 Jan 2024 413th m-tkach 🇺🇦 932 43 448ms 20 Jan 2024 413th xsot 🇸🇬 932 43 429ms 29 Jan 2024 413th Yewzir 🇧🇪 932 43 456ms 5 Jun 2024 413th pardouin 🇫🇷 932 43 439ms 21 Jun 2024 413th b-illy 🇬🇧 932 43 441ms 7 Sep 2024 413th CaedenHarper 🇨🇦 932 43 428ms 4 Oct 2024 413th fuzzylojik-golf 🇺🇸 932 43 473ms 1 Jul 2025 413th SirBogman 🇺🇸 932 43 453ms 12 Aug 2025 432nd btjones0 932 46 190ms 6 Dec 2021 432nd mokymok 🇺🇸 932 46 196ms 6 Dec 2021 432nd RYNO8 932 46 192ms 18 Aug 2022 432nd jared-hughes 932 46 116ms 10 Sep 2022 432nd Mikey-Beep 🇬🇧 932 46 193ms 1 Oct 2022 432nd betaveros 932 46 281ms 4 Jan 2023 432nd hiichbindermax 932 46 192ms 17 Feb 2023 432nd Vinterion 932 46 197ms 13 Nov 2023 432nd programjames 932 46 193ms 24 Dec 2023 432nd Powerroff 932 46 113ms 5 May 2024 432nd wuzekai518 932 46 192ms 14 Jun 2024 432nd IchBinMichMarkus 932 46 186ms 5 Jul 2024 432nd Lv0Sys 🇵🇱 932 46 195ms 4 Jun 2025 432nd Emutis 🇱🇹 932 46 112ms 11 Nov 2025 446th sisyphus-ppcg 🇦🇺 930 45 599ms 5 Dec 2021 446th primo-ppcg 🇹🇭 930 45 593ms 3 Jul 2023 448th saltysylvi 929 14 35ms 11 Oct 2022 448th aksyristos 929 14 34ms 26 Feb 2023 448th alphafalfa 929 14 2ms 21 Aug 2024 448th yokasuretsu 929 14 36ms 6 Jan 2025 452nd GrayJoKing 🇦🇺 929 67 134ms 13 Jan 2022 452nd JayXon 🇺🇸 929 67 131ms 13 Jan 2022 452nd nipzu 929 67 133ms 13 Jan 2022 452nd Lydxn 🇨🇦 929 67 130ms 13 Jan 2022 452nd kumavale 929 67 132ms 14 Jan 2022 452nd lynn 929 67 131ms 10 Mar 2022 452nd verticallity 929 67 133ms 7 Apr 2022 452nd scpchicken 🇵🇼 929 67 132ms 19 May 2022 452nd ian-h-chamberlain 🇺🇸 929 67 135ms 27 Jun 2022 452nd r-brinke 🇳🇱 929 67 136ms 23 Oct 2022 452nd andersk 🇺🇸 929 67 134ms 25 Oct 2022 452nd C0de5mith 🇺🇸 929 67 132ms 22 Dec 2022 452nd klixel 🇨🇦 929 67 131ms 23 Dec 2022 452nd Steffan153 🇫🇮 929 67 136ms 14 Jan 2023 452nd DialFrost 🇸🇬 929 67 142ms 8 Feb 2023 452nd kgodara 929 67 136ms 2 Mar 2023 452nd stefangimmillaro 929 67 133ms 11 Jun 2023 452nd ovs-code 🇩🇪 929 67 130ms 21 Jun 2023 452nd Re-Adventures 🇮🇳 929 67 136ms 15 Jul 2023 452nd The3gs 929 67 135ms 18 Aug 2023 452nd elgan65536 929 67 134ms 27 Sep 2023 452nd msbranicky 929 67 135ms 1 Oct 2023 452nd Shanethegamer 🇺🇸 929 67 134ms 19 Oct 2023 452nd sean-niemann 🇺🇸 929 67 135ms 24 Oct 2023 452nd okaponta 929 67 132ms 11 Jan 2024 452nd Aurel300 🇨🇭 929 67 134ms 5 Jun 2024 452nd dokutan 929 67 138ms 26 Jul 2024 452nd wuzekai518 929 67 139ms 5 Aug 2024 452nd pardouin 🇫🇷 929 67 134ms 13 Sep 2024 First Prev 401–480 of 2,962 Next Last