Prime Numbers in Ruby 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 brainfuck 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Chars Time 1st prplz 🇦🇺 Ruby 1,000 27 3 Jan 2020 1st primo-ppcg 🇹🇭 Ruby 1,000 27 3 Jan 2020 1st sisyphus-ppcg 🇦🇺 Ruby 1,000 27 10 Feb 2021 1st JayXon 🇺🇸 Ruby 1,000 27 21 Feb 2021 1st Lydxn 🇨🇦 Ruby 1,000 27 17 Aug 2021 1st nwellnhof 🇩🇪 Ruby 1,000 27 30 Dec 2021 1st stefangimmillaro Ruby 1,000 27 2 Aug 2023 1st MeWhenI 🇻🇦 Ruby 1,000 27 3 Aug 2023 9th KatieLG 🇬🇧 Ruby 871 31 1 Dec 2020 9th xsot 🇸🇬 Ruby 871 31 1 Jan 2021 9th janlelis Ruby 871 31 10 Feb 2021 9th GrayJoKing 🇦🇺 Ruby 871 31 8 Sep 2021 9th orthoplex 🇨🇽 Ruby 871 31 31 Mar 2022 9th lynn Ruby 871 31 21 Apr 2022 9th radarek 🇵🇱 Ruby 871 31 13 May 2022 9th Steffan153 🇫🇮 Ruby 871 31 14 Jan 2023 9th DialFrost 🇸🇬 Ruby 871 31 8 Feb 2023 9th sean-niemann 🇺🇸 Ruby 871 31 12 Feb 2023 9th m-tkach 🇺🇦 Ruby 871 31 3 Jun 2023 9th ovs-code 🇩🇪 Ruby 871 31 22 Oct 2023 9th Betuaredead Ruby 871 31 13 Nov 2023 9th Yewzir 🇧🇪 Ruby 871 31 7 Dec 2023 23rd tom-lord Ruby 844 32 8 Nov 2017 23rd vonagam Ruby 844 32 8 Nov 2017 23rd jaredcrystal 🇺🇸 Ruby 844 32 27 Sep 2018 23rd handisb Ruby 844 32 12 Sep 2019 23rd n1LS Ruby 844 32 27 Sep 2019 23rd SirBogman 🇺🇸 Ruby 844 32 29 Nov 2019 23rd flavono123 Ruby 844 32 14 May 2020 23rd antimon2 🇯🇵 Ruby 844 32 29 Jun 2020 23rd hiddicop 🇸🇪 Ruby 844 32 29 Jan 2021 23rd NewDefectus 🇮🇱 Ruby 844 32 4 Feb 2021 23rd anter69 🇭🇺 Ruby 844 32 20 Feb 2021 23rd Natanaelel 🇸🇪 Ruby 844 32 7 May 2021 23rd awnion Ruby 844 32 16 May 2021 23rd gilufin Ruby 844 32 8 Aug 2021 23rd schachmattmatt Ruby 844 32 18 Aug 2021 23rd UladzimirSukharukau Ruby 844 32 13 Sep 2021 23rd emgordon154 Ruby 844 32 6 Dec 2021 23rd akshatj27 🇦🇶 Ruby 844 32 28 Dec 2021 23rd jmerle 🇳🇱 Ruby 844 32 21 Jan 2022 23rd Irratix 🇳🇱 Ruby 844 32 15 Feb 2022 23rd hrrs01 Ruby 844 32 23 Feb 2022 23rd janbehrens 🇩🇪 Ruby 844 32 30 May 2022 23rd 4hg 🇺🇸 Ruby 844 32 11 Jul 2022 23rd jared-hughes Ruby 844 32 10 Sep 2022 23rd aksyristos Ruby 844 32 29 Jan 2023 23rd fynnkroeger Ruby 844 32 15 Apr 2023 23rd olleicua 🇺🇸 Ruby 844 32 6 Jan 2024 23rd wlaud9 Ruby 844 32 6 Feb 2024 51st hugolgst Ruby 818 33 18 May 2019 51st snltd Ruby 818 33 18 Aug 2019 51st sk- Ruby 818 33 12 Sep 2019 51st proton 🇩🇪 Ruby 818 33 9 Jun 2020 51st biinari Ruby 818 33 2 Aug 2020 51st Waffle3z Ruby 818 33 12 Oct 2020 51st fitzdotlol 🇺🇸 Ruby 818 33 27 Jan 2021 51st kirbyyourmom 🇬🇧 Ruby 818 33 25 Feb 2021 51st rbviz Ruby 818 33 28 Mar 2021 51st XorZy Ruby 818 33 24 May 2021 1–60 of 164 Next