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 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 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 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 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 601st inventshah 912 47 2ms 9 Sep 2022 601st Lydxn 🇨🇦 912 47 2ms 9 Sep 2022 601st sisyphus-ppcg 🇦🇺 912 47 2ms 10 Sep 2022 601st JayXon 🇺🇸 912 47 2ms 10 Sep 2022 601st GrayJoKing 🇦🇺 912 47 2ms 11 Sep 2022 601st btnlq 912 47 3ms 11 Sep 2022 601st Steffan153 🇫🇮 912 47 2ms 25 Mar 2023 601st m-tkach 🇺🇦 912 47 2ms 31 Jan 2024 601st sean-niemann 🇺🇸 912 47 2ms 1 Jan 2025 601st albanian-laundromat 912 47 3ms 7 Jun 2025 601st fuzzylojik-golf 🇺🇸 912 47 3ms 18 Jul 2025 612th Lydxn 🇨🇦 912 54 101ms 14 Oct 2022 612th JayXon 🇺🇸 912 54 123ms 13 Jun 2023 614th Yewzir 🇧🇪 912 63 119ms 17 Feb 2024 614th elgan65536 912 63 118ms 4 Apr 2024 614th DialFrost 🇸🇬 912 63 119ms 11 Apr 2025 617th sisyphus-ppcg 🇦🇺 912 66 2ms 7 Jul 2022 617th m-tkach 🇺🇦 912 66 2ms 8 Mar 2023 617th orthoplex 🇨🇽 912 66 2ms 29 Jun 2023 617th UnderKoen 🇳🇱 912 66 2ms 21 May 2025 621st MeWhenI 🇻🇦 911 29 5ms 16 Jul 2022 622nd marshallward 🇺🇸 911 49 45ms 29 Jun 2022 623rd pardouin 🇫🇷 909 41 4,224ms 31 Oct 2024 623rd btnlq 909 41 4,677ms 31 Oct 2024 623rd JayXon 🇺🇸 909 41 4,508ms 7 Nov 2024 626th MeWhenI 🇻🇦 908 36 420ms 13 Jul 2024 626th CaedenHarper 🇨🇦 908 36 451ms 28 Aug 2025 628th Lydxn 🇨🇦 908 42 3ms 29 Sep 2022 629th Lydxn 🇨🇦 907 45 3ms 2 Jul 2023 630th Lydxn 🇨🇦 907 53 38ms 14 Jun 2022 631st nwellnhof 🇩🇪 907 54 2ms 9 Aug 2022 631st sisyphus-ppcg 🇦🇺 907 54 2ms 22 Nov 2022 631st ovs-code 🇩🇪 907 54 2ms 22 Aug 2023 631st ListeriaM 907 54 2ms 23 Aug 2023 631st 09cf 907 54 2ms 13 Oct 2023 631st Herbert00709 🇵🇱 907 54 2ms 29 Sep 2025 637th JonasHoefer 906 45 132ms 2 Aug 2020 637th Shanethegamer 🇺🇸 906 45 124ms 16 Jul 2021 637th yzhs 🇩🇪 906 45 135ms 26 Jul 2021 637th rak1507 🇬🇧 906 45 132ms 15 Sep 2021 637th arjanadriaanse 🇳🇱 906 45 147ms 27 Nov 2021 637th annaproxy 906 45 154ms 21 Jan 2022 637th Sakisan 🇧🇪 906 45 177ms 21 Jun 2022 637th scpchicken 🇵🇼 906 45 114ms 16 Mar 2023 645th Lydxn 🇨🇦 905 63 514ms 27 Feb 2022 645th JayXon 🇺🇸 905 63 425ms 28 Feb 2022 647th DialFrost 🇸🇬 903 34 975ms 29 Aug 2025 647th edsrzf 🇳🇿 903 34 1,129ms 4 Sep 2025 647th CaedenHarper 🇨🇦 903 34 858ms 7 Sep 2025 647th albanian-laundromat 903 34 847ms 12 Sep 2025 647th sean-niemann 🇺🇸 903 34 1,269ms 12 Sep 2025 647th fuzzylojik-golf 🇺🇸 903 34 1,090ms 22 Sep 2025 653rd radarek 🇵🇱 902 32 1,006ms 13 Jun 2022 653rd stefangimmillaro 902 32 839ms 4 Mar 2023 655th sisyphus-ppcg 🇦🇺 902 66 1ms 13 May 2022 655th GolfingSuccess 🇬🇷 902 66 2ms 13 May 2022 655th MeWhenI 🇻🇦 902 66 1ms 18 May 2022 655th saito-ta 🇯🇵 902 66 1ms 20 May 2022 655th ovs-code 🇩🇪 902 66 1ms 20 May 2022 655th inventshah 902 66 1ms 22 May 2022 655th lynn 902 66 2ms 27 May 2022 655th Natanaelel 🇸🇪 902 66 2ms 29 May 2022 655th nwellnhof 🇩🇪 902 66 2ms 8 Jul 2022 655th galloj 🇨🇿 902 66 2ms 29 Aug 2022 655th retrohun 902 66 1ms 1 Jan 2023 655th Steffan153 🇫🇮 902 66 1ms 28 Jan 2023 655th btnlq 902 66 2ms 16 May 2023 655th sean-niemann 🇺🇸 902 66 1ms 20 May 2023 655th JayXon 🇺🇸 902 66 1ms 25 May 2023 655th Lydxn 🇨🇦 902 66 2ms 24 Jun 2023 655th dokutan 902 66 2ms 2 Oct 2023 655th kritixilithos 902 66 1ms 19 May 2024 655th pardouin 🇫🇷 902 66 1ms 21 Sep 2024 655th DialFrost 🇸🇬 902 66 1ms 5 Jan 2025 655th stefangimmillaro 902 66 2ms 14 Jul 2025 First Prev 601–675 of 5,230 Next Last