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 716th Herbert00709 🇵🇱 898 78 99ms 16 Oct 2024 716th wojtekmal 898 78 99ms 12 Sep 2025 723rd Shanethegamer 🇺🇸 897 35 42ms 5 Dec 2021 723rd Waffle3z 897 35 44ms 11 Dec 2021 723rd KatieLG 🇬🇧 897 35 42ms 25 Dec 2021 723rd fitzdotlol 🇺🇸 897 35 49ms 19 Feb 2022 723rd aryavsaigal 897 35 44ms 28 Feb 2022 723rd Mortis66666 897 35 45ms 29 Jun 2022 723rd lynn 897 35 44ms 8 Sep 2023 723rd FortuiteMan 🇫🇷 897 35 45ms 19 Sep 2023 723rd aaronze 🇦🇺 897 35 45ms 21 Sep 2023 732nd primo-ppcg 🇹🇭 897 56 61ms 26 Jan 2025 732nd kg583 🇺🇸 897 56 59ms 26 Jan 2025 732nd Lydxn 🇨🇦 897 56 60ms 26 Jan 2025 732nd AlephSquirrel 897 56 63ms 18 Feb 2025 736th btnlq 896 46 1,477ms 2 Nov 2022 736th sisyphus-ppcg 🇦🇺 896 46 1,519ms 9 Nov 2022 738th GolfingSuccess 🇬🇷 895 55 289ms 9 Sep 2022 739th Yax42 🇫🇷 895 59 143ms 5 Oct 2025 740th Steffan153 🇫🇮 895 97 326ms 17 Dec 2022 740th stefangimmillaro 895 97 318ms 4 Apr 2024 740th KasperKivimaeki 🇫🇮 895 97 290ms 25 Sep 2025 743rd janbehrens 🇩🇪 894 69 373ms 6 Dec 2021 743rd stefangimmillaro 894 69 366ms 7 Jan 2022 743rd MeWhenI 🇻🇦 894 69 348ms 18 Jun 2022 743rd Steffan153 🇫🇮 894 69 365ms 27 Mar 2023 743rd KrausRaus 🇺🇸 894 69 380ms 26 Jun 2023 743rd Yewzir 🇧🇪 894 69 364ms 5 Nov 2023 743rd namelessiw 894 69 395ms 25 Nov 2023 743rd SirBogman 🇺🇸 894 69 366ms 3 Jan 2024 743rd sean-niemann 🇺🇸 894 69 453ms 16 Apr 2024 743rd fuzzylojik-golf 🇺🇸 894 69 423ms 14 Aug 2025 753rd suwat513 893 48 115ms 24 Sep 2022 754th Waffle3z 893 66 510ms 6 Dec 2021 754th DialFrost 🇸🇬 893 66 563ms 17 Dec 2023 754th FlyingPenguin223 893 66 283ms 26 Sep 2024 757th GrayJoKing 🇦🇺 892 59 1,584ms 9 Nov 2023 758th targrik 891 47 574ms 5 Dec 2024 758th xsot 🇸🇬 891 47 644ms 29 Mar 2025 760th j2e2 🇪🇸 891 55 144ms 3 Mar 2025 761st MWI-polygolf 891 60 164ms 6 Dec 2023 761st steffan-polygolf 891 60 162ms 14 Feb 2024 763rd Lydxn 🇨🇦 891 74 760ms 21 Jan 2023 764th jared-hughes 890 41 51ms 16 Feb 2022 764th Vinterion 890 41 94ms 2 Dec 2023 764th trinityy-7 890 41 1,543ms 6 Feb 2024 767th Jacob385 890 45 570ms 4 Apr 2024 767th RedzGoose 🇦🇺 890 45 531ms 12 Sep 2024 769th shaneliu-zf 🇹🇼 890 51 3,086ms 16 Apr 2025 770th Lydxn 🇨🇦 890 64 255ms 28 Jul 2023 771st TheSmilingTurtle 889 70 134ms 24 May 2022 772nd JayXon 🇺🇸 889 72 564ms 28 Feb 2022 772nd DialFrost 🇸🇬 889 72 479ms 31 May 2024 772nd fuzzylojik-golf 🇺🇸 889 72 512ms 4 days ago 775th Steffan153 🇫🇮 887 44 169ms 3 Aug 2024 775th sean-niemann 🇺🇸 887 44 171ms 4 Aug 2024 775th ovs-code 🇩🇪 887 44 182ms 4 Aug 2024 775th JayXon 🇺🇸 887 44 185ms 6 Aug 2024 775th rucin93 🇵🇱 887 44 172ms 11 Aug 2024 775th emplv 🇱🇻 887 44 183ms 29 Oct 2024 781st kg583 🇺🇸 887 58 120ms 13 Feb 2025 781st edsrzf 🇳🇿 887 58 120ms 36 hours ago 783rd nwellnhof 🇩🇪 887 79 108ms 3 Jan 2022 783rd roupiq 🇵🇱 887 79 147ms 17 Apr 2024 783rd KasperKivimaeki 🇫🇮 887 79 1,982ms 11 days ago 786th MeWhenI 🇻🇦 886 98 325ms 9 Feb 2023 786th sean-niemann 🇺🇸 886 98 289ms 17 Dec 2023 786th emgordon154 886 98 272ms 17 Jan 2025 789th canissimia 🇦🇶 886 145 6ms 15 Nov 2023 790th sisyphus-ppcg 🇦🇺 885 54 1,549ms 9 Oct 2023 790th Lydxn 🇨🇦 885 54 1,905ms 10 Oct 2023 790th Steffan153 🇫🇮 885 54 353ms 28 Jan 2024 790th DialFrost 🇸🇬 885 54 359ms 18 Nov 2025 794th GolfingSuccess 🇬🇷 885 59 42ms 5 Dec 2021 794th Irratix 🇳🇱 885 59 43ms 6 Dec 2021 794th GrayJoKing 🇦🇺 885 59 42ms 4 Mar 2022 794th Steffan153 🇫🇮 885 59 41ms 30 Sep 2022 794th sean-niemann 🇺🇸 885 59 43ms 14 Oct 2022 794th MeWhenI 🇻🇦 885 59 43ms 6 Nov 2022 794th Bmrl7 885 59 40ms 11 Jul 2023 First Prev 721–800 of 2,962 Next Last