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 715th wojtekmal 898 78 99ms 12 Sep 2025 722nd Shanethegamer 🇺🇸 897 35 42ms 5 Dec 2021 722nd Waffle3z 897 35 44ms 11 Dec 2021 722nd KatieLG 🇬🇧 897 35 42ms 25 Dec 2021 722nd fitzdotlol 🇺🇸 897 35 49ms 19 Feb 2022 722nd aryavsaigal 897 35 44ms 28 Feb 2022 722nd Mortis66666 897 35 45ms 29 Jun 2022 722nd lynn 897 35 44ms 8 Sep 2023 722nd FortuiteMan 🇫🇷 897 35 45ms 19 Sep 2023 722nd aaronze 🇦🇺 897 35 45ms 21 Sep 2023 731st primo-ppcg 🇹🇭 897 56 61ms 26 Jan 2025 731st kg583 🇺🇸 897 56 59ms 26 Jan 2025 731st Lydxn 🇨🇦 897 56 60ms 26 Jan 2025 731st AlephSquirrel 897 56 63ms 18 Feb 2025 735th btnlq 896 46 1,477ms 2 Nov 2022 735th sisyphus-ppcg 🇦🇺 896 46 1,519ms 9 Nov 2022 737th GolfingSuccess 🇬🇷 895 55 289ms 9 Sep 2022 738th Yax42 🇫🇷 895 59 143ms 5 Oct 2025 739th Steffan153 🇫🇮 895 97 326ms 17 Dec 2022 739th stefangimmillaro 895 97 318ms 4 Apr 2024 739th KasperKivimaeki 🇫🇮 895 97 290ms 25 Sep 2025 742nd janbehrens 🇩🇪 894 69 373ms 6 Dec 2021 742nd stefangimmillaro 894 69 366ms 7 Jan 2022 742nd MeWhenI 🇻🇦 894 69 348ms 18 Jun 2022 742nd Steffan153 🇫🇮 894 69 365ms 27 Mar 2023 742nd KrausRaus 🇺🇸 894 69 380ms 26 Jun 2023 742nd Yewzir 🇧🇪 894 69 364ms 5 Nov 2023 742nd namelessiw 894 69 395ms 25 Nov 2023 742nd SirBogman 🇺🇸 894 69 366ms 3 Jan 2024 742nd sean-niemann 🇺🇸 894 69 453ms 16 Apr 2024 742nd fuzzylojik-golf 🇺🇸 894 69 423ms 14 Aug 2025 752nd suwat513 893 48 115ms 24 Sep 2022 753rd Waffle3z 893 66 510ms 6 Dec 2021 753rd DialFrost 🇸🇬 893 66 563ms 17 Dec 2023 753rd FlyingPenguin223 893 66 283ms 26 Sep 2024 756th GrayJoKing 🇦🇺 892 59 1,584ms 9 Nov 2023 757th targrik 891 47 574ms 5 Dec 2024 757th xsot 🇸🇬 891 47 644ms 29 Mar 2025 759th j2e2 🇪🇸 891 55 144ms 3 Mar 2025 760th MWI-polygolf 891 60 164ms 6 Dec 2023 760th steffan-polygolf 891 60 162ms 14 Feb 2024 762nd Lydxn 🇨🇦 891 74 760ms 21 Jan 2023 763rd jared-hughes 890 41 51ms 16 Feb 2022 763rd Vinterion 890 41 94ms 2 Dec 2023 763rd trinityy-7 890 41 1,543ms 6 Feb 2024 766th Jacob385 890 45 570ms 4 Apr 2024 766th RedzGoose 🇦🇺 890 45 531ms 12 Sep 2024 768th shaneliu-zf 🇹🇼 890 51 3,086ms 16 Apr 2025 769th Lydxn 🇨🇦 890 64 255ms 28 Jul 2023 770th TheSmilingTurtle 889 70 134ms 24 May 2022 771st JayXon 🇺🇸 889 72 564ms 28 Feb 2022 771st DialFrost 🇸🇬 889 72 479ms 31 May 2024 771st fuzzylojik-golf 🇺🇸 889 72 512ms 3 days ago 774th Steffan153 🇫🇮 887 44 169ms 3 Aug 2024 774th sean-niemann 🇺🇸 887 44 171ms 4 Aug 2024 774th ovs-code 🇩🇪 887 44 182ms 4 Aug 2024 774th JayXon 🇺🇸 887 44 185ms 6 Aug 2024 774th rucin93 🇵🇱 887 44 172ms 11 Aug 2024 774th emplv 🇱🇻 887 44 183ms 29 Oct 2024 780th kg583 🇺🇸 887 58 120ms 13 Feb 2025 780th edsrzf 🇳🇿 887 58 120ms 12 hours ago 782nd nwellnhof 🇩🇪 887 79 108ms 3 Jan 2022 782nd roupiq 🇵🇱 887 79 147ms 17 Apr 2024 782nd KasperKivimaeki 🇫🇮 887 79 1,982ms 10 days ago 785th MeWhenI 🇻🇦 886 98 325ms 9 Feb 2023 785th sean-niemann 🇺🇸 886 98 289ms 17 Dec 2023 785th emgordon154 886 98 272ms 17 Jan 2025 788th canissimia 🇦🇶 886 145 6ms 15 Nov 2023 789th sisyphus-ppcg 🇦🇺 885 54 1,549ms 9 Oct 2023 789th Lydxn 🇨🇦 885 54 1,905ms 10 Oct 2023 789th Steffan153 🇫🇮 885 54 353ms 28 Jan 2024 789th DialFrost 🇸🇬 885 54 359ms 18 Nov 2025 793rd GolfingSuccess 🇬🇷 885 59 42ms 5 Dec 2021 793rd Irratix 🇳🇱 885 59 43ms 6 Dec 2021 793rd GrayJoKing 🇦🇺 885 59 42ms 4 Mar 2022 793rd Steffan153 🇫🇮 885 59 41ms 30 Sep 2022 793rd sean-niemann 🇺🇸 885 59 43ms 14 Oct 2022 793rd MeWhenI 🇻🇦 885 59 43ms 6 Nov 2022 793rd Bmrl7 885 59 40ms 11 Jul 2023 793rd Widgitty 885 59 51ms 31 Jul 2023 First Prev 721–800 of 2,962 Next Last