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 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 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 519th alphafalfa 917 12 2ms 15 Jul 2024 519th plcc0 917 12 34ms 8 May 2025 528th sisyphus-ppcg 🇦🇺 917 29 8ms 12 Aug 2024 528th btnlq 917 29 8ms 14 Aug 2024 528th DialFrost 🇸🇬 917 29 9ms 17 Aug 2024 528th ovs-code 🇩🇪 917 29 9ms 17 Aug 2024 528th Steffan153 🇫🇮 917 29 8ms 17 Aug 2024 528th emgordon154 917 29 8ms 18 Sep 2024 528th sean-niemann 🇺🇸 917 29 9ms 29 Dec 2024 535th primo-ppcg 🇹🇭 916 34 15ms 6 May 2022 535th HPWiz 🇳🇿 916 34 13ms 6 May 2022 537th Steffan153 🇫🇮 916 35 3ms 16 Apr 2023 537th Shanethegamer 🇺🇸 916 35 4ms 17 Apr 2023 537th Lydxn 🇨🇦 916 35 3ms 18 Apr 2023 537th AlephSquirrel 916 35 4ms 20 Apr 2023 537th primo-ppcg 🇹🇭 916 35 4ms 27 Apr 2023 537th MeWhenI 🇻🇦 916 35 3ms 23 May 2023 537th GrayJoKing 🇦🇺 916 35 3ms 15 Aug 2023 537th btnlq 916 35 3ms 21 Oct 2023 537th Yewzir 🇧🇪 916 35 4ms 28 Oct 2023 537th Betuaredead 916 35 3ms 12 Nov 2023 537th edsrzf 🇳🇿 916 35 4ms 1 Nov 2024 537th emgordon154 916 35 3ms 22 Dec 2024 537th sean-niemann 🇺🇸 916 35 4ms 26 Apr 2025 537th kg583 🇺🇸 916 35 4ms 25 Sep 2025 551st Lydxn 🇨🇦 916 40 98ms 18 Aug 2021 551st MeWhenI 🇻🇦 916 40 99ms 18 Aug 2021 551st JayXon 🇺🇸 916 40 96ms 18 Aug 2021 554th kg583 🇺🇸 916 53 6ms 8 Oct 2025 555th canissimia 🇦🇶 916 134 1ms 14 Jul 2021 556th sean-niemann 🇺🇸 915 36 128ms 3 Aug 2024 556th Steffan153 🇫🇮 915 36 125ms 3 Aug 2024 556th JayXon 🇺🇸 915 36 124ms 4 Aug 2024 556th pardouin 🇫🇷 915 36 124ms 4 Aug 2024 556th lukegustafson 🇺🇸 915 36 124ms 4 Aug 2024 556th Lydxn 🇨🇦 915 36 126ms 6 Aug 2024 562nd saito-ta 🇯🇵 914 41 4ms 19 May 2023 563rd saito-ta 🇯🇵 913 17 37ms 26 Jul 2022 563rd clockworknazo 913 17 64ms 9 Aug 2022 565th HPWiz 🇳🇿 913 29 498ms 10 May 2023 565th ovs-code 🇩🇪 913 29 517ms 24 Oct 2023 565th Codsilla 🇨🇦 913 29 524ms 31 Oct 2023 565th DialFrost 🇸🇬 913 29 512ms 5 Jan 2024 565th Steffan153 🇫🇮 913 29 561ms 17 Aug 2024 565th sean-niemann 🇺🇸 913 29 537ms 13 Mar 2025 571st Lydxn 🇨🇦 913 42 81ms 15 May 2022 571st GrayJoKing 🇦🇺 913 42 77ms 16 May 2022 571st Steffan153 🇫🇮 913 42 85ms 10 Dec 2022 571st JayXon 🇺🇸 913 42 78ms 20 Mar 2023 571st Yewzir 🇧🇪 913 42 78ms 9 Nov 2023 571st Betuaredead 913 42 72ms 13 Nov 2023 571st Lydxn 🇨🇦 913 42 8ms 20 Dec 2023 571st Steffan153 🇫🇮 913 42 7ms 9 Aug 2024 571st pardouin 🇫🇷 913 42 73ms 3 Sep 2024 571st DialFrost 🇸🇬 913 42 67ms 14 Nov 2024 571st sean-niemann 🇺🇸 913 42 73ms 18 Apr 2025 571st sean-niemann 🇺🇸 913 42 14ms 19 Apr 2025 571st albanian-laundromat 913 42 79ms 9 days ago 584th retrohun 913 43 15ms 5 Aug 2018 584th Attero 🇸🇪 913 43 9ms 15 May 2020 584th hashkitten 913 43 15ms 24 Sep 2020 584th urojony 🇵🇱 913 43 9ms 28 Dec 2020 584th 77Tigers 913 43 11ms 4 Mar 2021 584th jacklynnepenick 913 43 10ms 14 Aug 2021 584th annaproxy 913 43 9ms 7 Dec 2021 584th emplv 🇱🇻 913 43 9ms 14 Dec 2021 584th bob-th 913 43 9ms 5 Aug 2022 584th galloj 🇨🇿 913 43 9ms 29 Aug 2022 584th MichalMarsalek 🇨🇿 913 43 9ms 14 Jan 2023 584th zbreit 🇺🇸 913 43 10ms 28 May 2023 584th heypwesto 🇳🇿 913 43 9ms 31 May 2023 584th kaptsanovb 913 43 9ms 8 Jun 2023 584th kellantech 913 43 9ms 13 Jun 2023 584th Natanaelel 🇸🇪 913 43 9ms 8 Sep 2023 584th FieryIceStickie 913 43 11ms 27 Nov 2023 First Prev 526–600 of 5,260 Next Last