Prime Numbers in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 826th primo-ppcg 🇹🇭 891 30 182ms 15 Jun 2020 826th bstrautin 891 30 219ms 9 Aug 2020 826th nwellnhof 🇩🇪 891 30 221ms 6 Dec 2021 826th sean-niemann 🇺🇸 891 30 204ms 10 Apr 2025 826th DialFrost 🇸🇬 891 30 221ms 11 Apr 2025 831st DialFrost 🇸🇬 891 37 150ms 3 Aug 2024 831st emplv 🇱🇻 891 37 134ms 17 Jul 2025 833rd sean-niemann 🇺🇸 891 64 397ms 23 Dec 2024 834th Sakisan 🇧🇪 890 35 17ms 29 Apr 2022 835th JayXon 🇺🇸 890 54 9 Sep 2022 836th tsunderu 🇯🇵 890 55 2ms 14 Sep 2021 836th solmyr2000 890 55 2ms 21 Jun 2022 838th solmyr2000 889 74 65ms 21 Jun 2022 838th 09cf 889 74 22 Nov 2023 838th dokutan 889 74 57ms 7 Apr 2024 838th tailorspy 889 74 79ms 25 Sep 2024 842nd prplz 🇦🇺 888 30 3ms 6 Feb 2020 843rd emplv 🇱🇻 888 46 5ms 7 May 2021 843rd targrik 888 46 4ms 5 Dec 2024 843rd sean-niemann 🇺🇸 888 46 4ms 17 Jan 2025 843rd xsot 🇸🇬 888 46 4ms 29 Mar 2025 847th Yewzir 🇧🇪 888 51 4ms 20 Dec 2024 847th MeWhenI 🇻🇦 888 51 4ms 21 Dec 2024 847th duckyluuk 🇳🇱 888 51 4ms 21 Jan 2025 850th GrayJoKing 🇦🇺 887 43 3ms 29 Sep 2022 851st m-tkach 🇺🇦 887 72 26ms 4 Apr 2022 852nd ovs-code 🇩🇪 884 37 427ms 15 Jan 2024 852nd rucin93 🇵🇱 884 37 427ms 21 Jan 2024 854th Bubbler-4 884 65 132ms 5 Nov 2021 854th prplz 🇦🇺 884 65 125ms 13 Jan 2022 854th GrayJoKing 🇦🇺 884 65 134ms 13 Jan 2022 854th nipzu 884 65 135ms 13 Jan 2022 854th verticallity 884 65 138ms 6 Apr 2022 854th scpchicken 🇵🇼 884 65 140ms 19 May 2022 854th kgodara 884 65 135ms 29 Oct 2022 854th r-brinke 🇳🇱 884 65 125ms 27 Nov 2022 854th Shanethegamer 🇺🇸 884 65 146ms 2 Dec 2022 854th rucin93 🇵🇱 884 65 141ms 20 Jan 2023 854th klixel 🇨🇦 884 65 150ms 15 Apr 2023 854th Re-Adventures 🇮🇳 884 65 147ms 15 Jul 2023 854th The3gs 884 65 156ms 18 Aug 2023 854th msbranicky 884 65 154ms 1 Oct 2023 854th sean-niemann 🇺🇸 884 65 137ms 24 Oct 2023 854th okaponta 884 65 125ms 11 Jan 2024 854th Creative0708 🇨🇦 884 65 142ms 17 Feb 2024 854th MeWhenI 🇻🇦 884 65 144ms 31 Mar 2024 854th Aurel300 🇨🇭 884 65 141ms 5 Jun 2024 854th dokutan 884 65 134ms 26 Jul 2024 854th wuzekai518 884 65 178ms 5 Aug 2024 854th snoozingnewt 🇺🇸 884 65 139ms 22 days ago 876th DialFrost 🇸🇬 883 53 2ms 26 Jan 2024 877th primo-ppcg 🇹🇭 882 55 6ms 30 Jan 2022 877th Lydxn 🇨🇦 882 55 5ms 30 Jan 2022 877th AlephSquirrel 882 55 6ms 10 Oct 2024 880th DialFrost 🇸🇬 881 71 480ms 27 days ago 880th edsrzf 🇳🇿 881 71 447ms 27 days ago 880th b-illy 🇬🇧 881 71 556ms 27 days ago 880th voytxt 🇨🇿 881 71 483ms 27 days ago 880th stefangimmillaro 881 71 520ms 16 days ago 885th kg583 🇺🇸 878 57 44ms 14 Feb 2025 886th primo-ppcg 🇹🇭 878 91 271ms 21 Apr 2020 886th prplz 🇦🇺 878 91 262ms 24 Apr 2020 886th stefangimmillaro 878 91 298ms 21 Aug 2023 889th Shanethegamer 🇺🇸 877 111 11ms 1 Aug 2023 889th Lydxn 🇨🇦 877 111 11ms 1 Aug 2023 889th MeWhenI 🇻🇦 877 111 14ms 1 Aug 2023 889th JayXon 🇺🇸 877 111 11ms 2 Aug 2023 889th Steffan153 🇫🇮 877 111 13ms 2 Aug 2023 889th janbehrens 🇩🇪 877 111 11ms 2 Aug 2023 889th GrayJoKing 🇦🇺 877 111 11ms 11 Aug 2023 889th BREMAUCY 🇫🇷 877 111 11ms 7 Sep 2023 889th Attero 🇸🇪 877 111 11ms 20 Sep 2023 889th lynn 877 111 11ms 17 Oct 2023 889th dokutan 877 111 11ms 26 Oct 2023 889th Yewzir 🇧🇪 877 111 14ms 12 Mar 2024 First Prev 826–900 of 5,221 Next Last