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 522nd saltysylvi 917 12 34ms 11 Oct 2022 522nd aksyristos 917 12 35ms 26 Feb 2023 522nd jhonw 917 12 39ms 22 Sep 2023 522nd alphafalfa 917 12 2ms 15 Jul 2024 522nd plcc0 917 12 34ms 8 May 2025 531st sisyphus-ppcg 🇦🇺 917 29 8ms 12 Aug 2024 531st btnlq 917 29 8ms 14 Aug 2024 531st DialFrost 🇸🇬 917 29 9ms 17 Aug 2024 531st ovs-code 🇩🇪 917 29 9ms 17 Aug 2024 531st Steffan153 🇫🇮 917 29 8ms 17 Aug 2024 531st emgordon154 917 29 8ms 18 Sep 2024 531st sean-niemann 🇺🇸 917 29 9ms 29 Dec 2024 538th primo-ppcg 🇹🇭 916 34 15ms 6 May 2022 538th HPWiz 🇳🇿 916 34 13ms 6 May 2022 540th Steffan153 🇫🇮 916 35 3ms 16 Apr 2023 540th Shanethegamer 🇺🇸 916 35 3ms 17 Apr 2023 540th Lydxn 🇨🇦 916 35 3ms 18 Apr 2023 540th AlephSquirrel 916 35 4ms 20 Apr 2023 540th primo-ppcg 🇹🇭 916 35 4ms 27 Apr 2023 540th MeWhenI 🇻🇦 916 35 3ms 23 May 2023 540th GrayJoKing 🇦🇺 916 35 3ms 15 Aug 2023 540th btnlq 916 35 3ms 21 Oct 2023 540th Yewzir 🇧🇪 916 35 3ms 28 Oct 2023 540th Betuaredead 916 35 3ms 12 Nov 2023 540th edsrzf 🇳🇿 916 35 4ms 1 Nov 2024 540th emgordon154 916 35 3ms 22 Dec 2024 540th sean-niemann 🇺🇸 916 35 3ms 26 Apr 2025 540th kg583 🇺🇸 916 35 3ms 25 Sep 2025 554th Lydxn 🇨🇦 916 40 98ms 18 Aug 2021 554th MeWhenI 🇻🇦 916 40 99ms 18 Aug 2021 554th JayXon 🇺🇸 916 40 96ms 18 Aug 2021 557th kg583 🇺🇸 916 53 6ms 8 Oct 2025 558th canissimia 🇦🇶 916 134 1ms 14 Jul 2021 559th sean-niemann 🇺🇸 915 36 128ms 3 Aug 2024 559th Steffan153 🇫🇮 915 36 125ms 3 Aug 2024 559th JayXon 🇺🇸 915 36 124ms 4 Aug 2024 559th pardouin 🇫🇷 915 36 124ms 4 Aug 2024 559th lukegustafson 🇺🇸 915 36 124ms 4 Aug 2024 559th Lydxn 🇨🇦 915 36 126ms 6 Aug 2024 565th saito-ta 🇯🇵 914 41 4ms 19 May 2023 566th saito-ta 🇯🇵 913 17 37ms 26 Jul 2022 566th clockworknazo 913 17 64ms 9 Aug 2022 568th HPWiz 🇳🇿 913 29 489ms 10 May 2023 568th ovs-code 🇩🇪 913 29 499ms 24 Oct 2023 568th Codsilla 🇨🇦 913 29 497ms 31 Oct 2023 568th DialFrost 🇸🇬 913 29 525ms 5 Jan 2024 568th Steffan153 🇫🇮 913 29 512ms 17 Aug 2024 568th sean-niemann 🇺🇸 913 29 546ms 13 Mar 2025 574th Lydxn 🇨🇦 913 42 81ms 15 May 2022 574th GrayJoKing 🇦🇺 913 42 77ms 16 May 2022 574th Steffan153 🇫🇮 913 42 85ms 10 Dec 2022 574th JayXon 🇺🇸 913 42 78ms 20 Mar 2023 574th Yewzir 🇧🇪 913 42 78ms 9 Nov 2023 574th Betuaredead 913 42 72ms 13 Nov 2023 574th Lydxn 🇨🇦 913 42 8ms 20 Dec 2023 574th Steffan153 🇫🇮 913 42 7ms 9 Aug 2024 574th pardouin 🇫🇷 913 42 73ms 3 Sep 2024 574th DialFrost 🇸🇬 913 42 67ms 14 Nov 2024 574th sean-niemann 🇺🇸 913 42 73ms 18 Apr 2025 574th sean-niemann 🇺🇸 913 42 14ms 19 Apr 2025 574th albanian-laundromat 913 42 79ms 14 days ago 587th retrohun 913 43 15ms 5 Aug 2018 587th Attero 🇸🇪 913 43 9ms 15 May 2020 587th hashkitten 913 43 15ms 24 Sep 2020 587th urojony 🇵🇱 913 43 9ms 28 Dec 2020 587th 77Tigers 913 43 11ms 4 Mar 2021 587th jacklynnepenick 913 43 10ms 14 Aug 2021 587th annaproxy 913 43 9ms 7 Dec 2021 587th emplv 🇱🇻 913 43 9ms 14 Dec 2021 587th bob-th 913 43 9ms 5 Aug 2022 587th galloj 🇨🇿 913 43 9ms 29 Aug 2022 587th MichalMarsalek 🇨🇿 913 43 9ms 14 Jan 2023 587th zbreit 🇺🇸 913 43 10ms 28 May 2023 587th heypwesto 🇳🇿 913 43 9ms 31 May 2023 587th kaptsanovb 913 43 9ms 8 Jun 2023 First Prev 526–600 of 5,270 Next Last