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 375th Lydxn 🇨🇦 941 61 123ms 13 Jan 2022 375th primo-ppcg 🇹🇭 941 61 121ms 14 Jan 2022 375th lynn 941 61 121ms 10 Mar 2022 375th ndren 941 61 124ms 27 Sep 2023 375th stefangimmillaro 941 61 126ms 18 Oct 2023 375th pardouin 🇫🇷 941 61 124ms 24 Aug 2024 375th edsrzf 🇳🇿 941 61 120ms 26 Oct 2024 375th acotis 941 61 121ms 10 Jan 2025 375th fuzzylojik-golf 🇺🇸 941 61 123ms 28 Jun 2025 375th kumavale 941 61 188ms 26 Aug 2025 386th Lydxn 🇨🇦 940 70 63ms 2 Jan 2022 386th JayXon 🇺🇸 940 70 63ms 7 Mar 2022 388th primo-ppcg 🇹🇭 937 40 25ms 19 Jul 2022 389th Lydxn 🇨🇦 934 35 399ms 16 Jan 2024 389th Steffan153 🇫🇮 934 35 391ms 16 Jan 2024 389th DialFrost 🇸🇬 934 35 342ms 16 Jan 2024 389th sean-niemann 🇺🇸 934 35 400ms 17 Jan 2024 389th JayXon 🇺🇸 934 35 408ms 18 Jan 2024 389th m-tkach 🇺🇦 934 35 339ms 21 Jan 2024 389th xsot 🇸🇬 934 35 406ms 29 Jan 2024 389th Yewzir 🇧🇪 934 35 369ms 4 Feb 2024 389th pardouin 🇫🇷 934 35 404ms 24 Jun 2024 389th b-illy 🇬🇧 934 35 473ms 7 Sep 2024 389th kg583 🇺🇸 934 35 394ms 16 Oct 2024 389th fuzzylojik-golf 🇺🇸 934 35 457ms 2 Jul 2025 401st Constructor7 934 42 10ms 22 Feb 2018 401st kmaork 🇮🇱 934 42 10ms 18 Apr 2018 401st TFeld00 🇩🇰 934 42 10ms 8 Aug 2019 401st prplz 🇦🇺 934 42 12ms 27 Nov 2019 401st andersk 🇺🇸 934 42 10ms 20 Mar 2020 401st apourchot 934 42 11ms 15 Feb 2021 401st marcin7Cd 934 42 10ms 6 Mar 2021 401st rak1507 🇬🇧 934 42 16ms 1 Apr 2021 401st Indivicivet 934 42 10ms 10 May 2021 401st nwellnhof 🇩🇪 934 42 36ms 31 Oct 2021 401st akshatj27 🇦🇶 934 42 10ms 28 Dec 2021 401st anter69 🇭🇺 934 42 10ms 26 Jan 2022 401st IshanPanpaliya 934 42 10ms 2 Apr 2022 401st MichaelMBradley 🇨🇦 934 42 11ms 2 Apr 2022 401st janbehrens 🇩🇪 934 42 10ms 30 May 2022 401st 051 🇸🇬 934 42 10ms 8 Aug 2022 401st vhoulbreque 🇫🇷 934 42 9ms 18 Aug 2022 401st dzshn 934 42 10ms 24 Aug 2022 401st OllieBoyne 🇬🇧 934 42 11ms 19 Sep 2022 401st commandblockguy 🇺🇸 934 42 10ms 29 Sep 2022 401st FlorianCassayre 🇫🇷 934 42 9ms 28 Oct 2022 401st betaveros 934 42 11ms 4 Jan 2023 401st b10011 🇫🇮 934 42 10ms 13 Jan 2023 401st SirFireball3521 934 42 10ms 19 Jan 2023 401st Alex-x90 🇺🇸 934 42 11ms 13 Feb 2023 401st Bubbler-4 934 42 12ms 23 Feb 2023 401st scpchicken 🇵🇼 934 42 12ms 16 Mar 2023 401st Eilonlif 🇮🇱 934 42 10ms 30 Mar 2023 401st Erik-M-Larsson 934 42 10ms 4 Apr 2023 401st fourth-bit 934 42 10ms 3 Jul 2023 401st 2011-Chan-Ethan 934 42 10ms 5 Jul 2023 401st elgan65536 934 42 10ms 19 Nov 2023 401st cros107 🇦🇺 934 42 10ms 24 Nov 2023 401st Koshu 934 42 10ms 5 Dec 2023 401st SirBogman 🇺🇸 934 42 10ms 8 Dec 2023 401st 1231234md5 🇨🇳 934 42 10ms 15 Dec 2023 401st ridingqwerty 🇺🇸 934 42 10ms 26 Dec 2023 401st byronknoll 🇺🇸 934 42 10ms 5 Feb 2024 401st Just4FunCoder 934 42 10ms 17 Feb 2024 401st RobertHoeh 934 42 10ms 11 Apr 2024 401st HETHAT 🇩🇿 934 42 10ms 11 Apr 2024 401st cakular 934 42 10ms 19 May 2024 401st starfihs 934 42 9ms 4 Jul 2024 401st zacjl 934 42 10ms 24 Aug 2024 401st alemelis 934 42 11ms 31 Aug 2024 401st emgordon154 934 42 11ms 10 Oct 2024 401st lifthrasiir 🇰🇷 934 42 10ms 8 Nov 2024 401st jasonxue1 934 42 9ms 8 Aug 2025 401st Babafaba 934 42 10ms 18 days ago 450th Lydxn 🇨🇦 931 28 78ms 12 Dec 2022 First Prev 376–450 of 5,230 Next Last