Prime Numbers in Ruby in bytes. 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 56th aaronze 🇦🇺 939 33 21 Sep 2023 56th FlyingPenguin223 939 33 16 Nov 2023 56th ngthanhtrung23 939 33 15 Mar 2024 79th ConorOBrien-Foxx 912 34 2 Jul 2018 79th acornellier 912 34 8 Dec 2018 79th Yytsi 912 34 14 Mar 2019 79th Marin-Kitagawa 912 34 18 Jul 2021 79th pandapawskat 912 34 7 Oct 2021 79th DaCuteRaccoon 912 34 16 Apr 2022 79th ls-samer-abuthaher 912 34 2 Dec 2022 79th annaproxy 912 34 15 Sep 2023 87th Haksell 🇦🇶 886 35 6 Apr 2020 87th daninnm 886 35 23 Jul 2021 87th shellbertt 🇨🇦 886 35 8 Sep 2021 87th dokutan 886 35 30 Apr 2024 91st clupasq 861 36 3 Feb 2018 91st tadd 861 36 16 Apr 2020 91st yzhs 🇩🇪 861 36 26 Jul 2021 91st LostSyntax21 🇬🇧 861 36 22 Aug 2024 95th j55d 838 37 4 Dec 2017 95th Secozzi 838 37 28 Nov 2019 95th kinoute 🇫🇷 838 37 10 Sep 2021 95th KrausRaus 🇺🇸 838 37 31 Dec 2021 99th mgergi 816 38 10 Oct 2018 99th SamirHodzic 816 38 11 Oct 2018 99th CaAlden 816 38 9 May 2019 99th reireias 816 38 30 Jul 2019 99th Mir0ff944 816 38 4 Apr 2020 99th Gradizer 816 38 13 Mar 2021 99th typewriter 816 38 1 Jun 2021 99th JRaspass 🇬🇧 816 38 21 Apr 2022 107th greghull 795 39 8 Nov 2017 107th robymus 795 39 18 Sep 2018 107th purp 795 39 13 Aug 2022 107th aydamak 795 39 15 May 2024 111th ndren 775 40 2 Aug 2023 111th BREMAUCY 🇫🇷 775 40 18 Mar 2024 111th Andriamanitra 🇫🇮 775 40 25 Feb 2025 114th Boostik 756 41 8 Jan 2018 114th ajc2 756 41 1 May 2018 114th segiddins 756 41 24 Aug 2018 114th giruzou 756 41 24 Mar 2019 114th 0xddom 756 41 18 Dec 2019 119th nlc 738 42 18 Dec 2017 119th adoxography 738 42 10 Oct 2019 121st stevehodges 721 43 8 Nov 2017 121st graft 721 43 10 Mar 2018 121st SephQ 721 43 7 Feb 2021 124th ndimov 705 44 13 Oct 2017 124th mogron 705 44 13 Dec 2019 124th sapphyrus 705 44 18 Feb 2020 124th ninjawarrior1337 705 44 1 Dec 2021 124th HallMatthew314 705 44 5 Dec 2021 124th mikiymk 705 44 21 Sep 2023 130th somebody1234 689 45 20 Jan 2020 130th BrenSchaap 689 45 13 Nov 2021 132nd bbakersmith 674 46 30 Jul 2021 132nd gfund 674 46 5 Oct 2022 134th Anonymousellama21 660 47 18 Feb 2022 135th dwayneparton 646 48 7 May 2020 135th stellartux 646 48 24 Dec 2023 137th iamsolarpowered 633 49 15 Dec 2017 137th th1rt3en 633 49 13 May 2018 137th zstearman3 633 49 12 Jul 2018 137th atayarani 633 49 18 Jan 2019 137th HumanoidCPU 633 49 3 Jul 2024 137th Florian-Mt 633 49 14 Jul 2024 143rd domgetter 608 51 10 Jun 2020 143rd boxjelly 608 51 11 Feb 2021 145th babcockd 596 52 19 Dec 2017 145th michaelrychly 596 52 5 Jun 2019 145th Ralac07 🇦🇺 596 52 4 Jul 2024 148th FnControlOption 585 53 21 Aug 2022 149th sacthedev 574 54 3 Apr 2018 149th omurakazuaki 🇯🇵 574 54 2 May 2019 Prev 76–150 of 173 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