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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 741st amberzit 892 44 13ms 29 Jul 2025 741st LordSir101 892 44 9ms 11 Aug 2025 741st YAJUE114514 892 44 10ms 15 Aug 2025 741st rschwa6308 🇺🇸 892 44 9ms 24 Aug 2025 741st cpchenpi 892 44 9ms 27 Aug 2025 741st BrunoVisnadi 🇧🇷 892 44 9ms 30 Sep 2025 741st iczelia 🇩🇪 892 44 10ms 19 Oct 2025 741st Adix-null 🇱🇹 892 44 9ms 13 days ago 834th primo-ppcg 🇹🇭 891 30 193ms 15 Jun 2020 834th bstrautin 891 30 212ms 9 Aug 2020 834th nwellnhof 🇩🇪 891 30 204ms 6 Dec 2021 834th sean-niemann 🇺🇸 891 30 204ms 10 Apr 2025 834th DialFrost 🇸🇬 891 30 215ms 11 Apr 2025 839th DialFrost 🇸🇬 891 37 127ms 3 Aug 2024 839th emplv 🇱🇻 891 37 120ms 17 Jul 2025 841st sean-niemann 🇺🇸 891 64 397ms 23 Dec 2024 842nd Sakisan 🇧🇪 890 35 17ms 29 Apr 2022 843rd JayXon 🇺🇸 890 54 38ms 9 Sep 2022 844th tsunderu 🇯🇵 890 55 2ms 14 Sep 2021 844th solmyr2000 890 55 2ms 21 Jun 2022 846th solmyr2000 890 74 52ms 21 Jun 2022 846th 09cf 890 74 4,987ms 22 Nov 2023 846th dokutan 890 74 52ms 7 Apr 2024 846th tailorspy 890 74 51ms 25 Sep 2024 850th prplz 🇦🇺 888 30 3ms 6 Feb 2020 851st emplv 🇱🇻 888 46 4ms 7 May 2021 851st targrik 888 46 4ms 5 Dec 2024 851st sean-niemann 🇺🇸 888 46 4ms 17 Jan 2025 851st xsot 🇸🇬 888 46 4ms 29 Mar 2025 855th Yewzir 🇧🇪 888 51 4ms 20 Dec 2024 855th MeWhenI 🇻🇦 888 51 5ms 21 Dec 2024 855th duckyluuk 🇳🇱 888 51 4ms 21 Jan 2025 858th GrayJoKing 🇦🇺 887 43 3ms 29 Sep 2022 858th xsot 🇸🇬 887 43 3ms 5 days ago 860th m-tkach 🇺🇦 887 72 26ms 4 Apr 2022 861st ovs-code 🇩🇪 884 37 427ms 15 Jan 2024 861st rucin93 🇵🇱 884 37 427ms 21 Jan 2024 861st Babafaba 884 37 337ms 18 days ago 864th Bubbler-4 884 65 124ms 5 Nov 2021 864th prplz 🇦🇺 884 65 120ms 13 Jan 2022 864th GrayJoKing 🇦🇺 884 65 131ms 13 Jan 2022 864th nipzu 884 65 124ms 13 Jan 2022 864th verticallity 884 65 127ms 6 Apr 2022 864th scpchicken 🇵🇼 884 65 127ms 19 May 2022 864th kgodara 884 65 146ms 29 Oct 2022 864th r-brinke 🇳🇱 884 65 131ms 27 Nov 2022 864th Shanethegamer 🇺🇸 884 65 125ms 2 Dec 2022 864th rucin93 🇵🇱 884 65 124ms 20 Jan 2023 864th klixel 🇨🇦 884 65 128ms 15 Apr 2023 864th Re-Adventures 🇮🇳 884 65 130ms 15 Jul 2023 864th The3gs 884 65 133ms 18 Aug 2023 864th msbranicky 884 65 129ms 1 Oct 2023 864th sean-niemann 🇺🇸 884 65 126ms 24 Oct 2023 864th okaponta 884 65 124ms 11 Jan 2024 864th Creative0708 🇨🇦 884 65 129ms 17 Feb 2024 864th MeWhenI 🇻🇦 884 65 125ms 31 Mar 2024 864th Aurel300 🇨🇭 884 65 125ms 5 Jun 2024 864th dokutan 884 65 126ms 26 Jul 2024 864th wuzekai518 884 65 139ms 5 Aug 2024 864th snoozingnewt 🇺🇸 884 65 124ms 29 Sep 2025 864th namelessiw 884 65 128ms 12 days ago 864th luuumine 🇫🇷 884 65 128ms 4 days ago 888th sisyphus-ppcg 🇦🇺 882 52 1ms 9 Oct 2023 888th Lydxn 🇨🇦 882 52 1ms 9 Oct 2023 888th Steffan153 🇫🇮 882 52 1ms 29 Jan 2024 888th MeWhenI 🇻🇦 882 52 1ms 18 Aug 2024 888th DialFrost 🇸🇬 882 52 1ms 4 days ago 893rd primo-ppcg 🇹🇭 882 55 6ms 30 Jan 2022 893rd Lydxn 🇨🇦 882 55 5ms 30 Jan 2022 893rd AlephSquirrel 882 55 6ms 10 Oct 2024 896th edsrzf 🇳🇿 881 71 357ms 24 Sep 2025 896th b-illy 🇬🇧 881 71 336ms 24 Sep 2025 896th voytxt 🇨🇿 881 71 344ms 25 Sep 2025 896th stefangimmillaro 881 71 344ms 6 Oct 2025 900th kg583 🇺🇸 880 57 40ms 14 Feb 2025 First Prev 826–900 of 5,270 Next Last