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 521st MeWhenI 🇻🇦 916 35 23 May 2023 521st GrayJoKing 🇦🇺 916 35 15 Aug 2023 521st btnlq 916 35 21 Oct 2023 521st Yewzir 🇧🇪 916 35 28 Oct 2023 521st Betuaredead 916 35 12 Nov 2023 521st edsrzf 🇳🇿 916 35 1 Nov 2024 521st emgordon154 916 35 22 Dec 2024 521st sean-niemann 🇺🇸 916 35 26 Apr 2025 521st kg583 🇺🇸 916 35 8 days ago 535th Lydxn 🇨🇦 916 40 18 Aug 2021 535th MeWhenI 🇻🇦 916 40 18 Aug 2021 535th JayXon 🇺🇸 916 40 18 Aug 2021 538th canissimia 🇦🇶 916 134 14 Jul 2021 539th primo-ppcg 🇹🇭 915 34 6 May 2022 539th HPWiz 🇳🇿 915 34 6 May 2022 541st primo-ppcg 🇹🇭 915 55 30 Jan 2022 541st Lydxn 🇨🇦 915 55 30 Jan 2022 541st AlephSquirrel 915 55 10 Oct 2024 541st kg583 🇺🇸 915 55 21 Oct 2024 545th sean-niemann 🇺🇸 914 36 3 Aug 2024 545th Steffan153 🇫🇮 914 36 3 Aug 2024 545th JayXon 🇺🇸 914 36 4 Aug 2024 545th pardouin 🇫🇷 914 36 4 Aug 2024 545th lukegustafson 🇺🇸 914 36 4 Aug 2024 545th Lydxn 🇨🇦 914 36 6 Aug 2024 551st saito-ta 🇯🇵 914 41 19 May 2023 552nd HPWiz 🇳🇿 913 29 10 May 2023 552nd ovs-code 🇩🇪 913 29 24 Oct 2023 552nd Codsilla 🇨🇦 913 29 31 Oct 2023 552nd DialFrost 🇸🇬 913 29 5 Jan 2024 552nd Steffan153 🇫🇮 913 29 17 Aug 2024 552nd sean-niemann 🇺🇸 913 29 13 Mar 2025 558th Lydxn 🇨🇦 913 42 15 May 2022 558th GrayJoKing 🇦🇺 913 42 16 May 2022 558th Steffan153 🇫🇮 913 42 10 Dec 2022 558th JayXon 🇺🇸 913 42 20 Mar 2023 558th Yewzir 🇧🇪 913 42 9 Nov 2023 558th Betuaredead 913 42 13 Nov 2023 558th pardouin 🇫🇷 913 42 3 Sep 2024 558th DialFrost 🇸🇬 913 42 14 Nov 2024 558th sean-niemann 🇺🇸 913 42 18 Apr 2025 567th retrohun 913 43 5 Aug 2018 567th Attero 🇸🇪 913 43 15 May 2020 567th hashkitten 913 43 24 Sep 2020 567th urojony 🇵🇱 913 43 28 Dec 2020 567th 77Tigers 913 43 4 Mar 2021 567th jacklynnepenick 913 43 14 Aug 2021 567th annaproxy 913 43 7 Dec 2021 567th emplv 🇱🇻 913 43 14 Dec 2021 567th bricknellj 913 43 24 May 2022 567th bob-th 913 43 5 Aug 2022 567th galloj 🇨🇿 913 43 29 Aug 2022 567th MichalMarsalek 🇨🇿 913 43 14 Jan 2023 567th zbreit 🇺🇸 913 43 28 May 2023 567th heypwesto 🇳🇿 913 43 31 May 2023 567th kaptsanovb 913 43 8 Jun 2023 567th kellantech 913 43 13 Jun 2023 567th Natanaelel 🇸🇪 913 43 8 Sep 2023 567th FieryIceStickie 913 43 27 Nov 2023 567th Bulmenisaurus 913 43 4 Jun 2024 567th ahmetdemirag 🇨🇾 913 43 9 Jun 2024 567th thatbirdguythatuknownot 913 43 24 Aug 2024 567th Stockoh 🇫🇷 913 43 17 Nov 2024 567th snydej 913 43 21 Nov 2024 567th ryyyn 🇺🇸 913 43 29 Jul 2025 567th Babafaba 913 43 22 days ago 592nd saito-ta 🇯🇵 912 17 26 Jul 2022 592nd clockworknazo 912 17 9 Aug 2022 594th Lydxn 🇨🇦 912 42 20 Dec 2023 594th Steffan153 🇫🇮 912 42 9 Aug 2024 594th sean-niemann 🇺🇸 912 42 19 Apr 2025 597th inventshah 912 47 9 Sep 2022 597th Lydxn 🇨🇦 912 47 9 Sep 2022 597th sisyphus-ppcg 🇦🇺 912 47 10 Sep 2022 597th JayXon 🇺🇸 912 47 10 Sep 2022 First Prev 526–600 of 5,180 Next Last