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 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 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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 Bytes Time Submitted 62nd OhmNomNom 939 33 34ms 30 Oct 2022 62nd retrohun 939 33 40ms 8 Jan 2023 62nd mnbvczx 🇰🇷 939 33 48ms 12 Mar 2023 62nd AlephSquirrel 939 33 34ms 14 Apr 2023 62nd FortuiteMan 🇫🇷 939 33 45ms 11 Sep 2023 62nd aaronze 🇦🇺 939 33 48ms 21 Sep 2023 62nd FlyingPenguin223 939 33 36ms 16 Nov 2023 62nd ngthanhtrung23 939 33 42ms 15 Mar 2024 62nd LostSyntax21 🇬🇧 939 33 36ms 24 Jul 2025 85th ConorOBrien-Foxx 912 34 52ms 2 Jul 2018 85th acornellier 912 34 44ms 8 Dec 2018 85th Yytsi 912 34 54ms 14 Mar 2019 85th Marin-Kitagawa 912 34 40ms 18 Jul 2021 85th pandapawskat 912 34 44ms 7 Oct 2021 85th DaCuteRaccoon 912 34 40ms 16 Apr 2022 85th ls-samer-abuthaher 912 34 52ms 2 Dec 2022 85th annaproxy 912 34 43ms 15 Sep 2023 85th Babafaba 912 34 35ms 10 days ago 94th Haksell 🇦🇶 886 35 35ms 6 Apr 2020 94th daninnm 886 35 43ms 23 Jul 2021 94th shellbertt 🇨🇦 886 35 41ms 8 Sep 2021 94th dokutan 886 35 40ms 30 Apr 2024 98th clupasq 861 36 41ms 3 Feb 2018 98th tadd 861 36 53ms 16 Apr 2020 98th yzhs 🇩🇪 861 36 45ms 26 Jul 2021 101st j55d 838 37 38ms 4 Dec 2017 101st Secozzi 838 37 40ms 28 Nov 2019 101st kinoute 🇫🇷 838 37 43ms 10 Sep 2021 101st KrausRaus 🇺🇸 838 37 31ms 31 Dec 2021 105th mgergi 816 38 42ms 10 Oct 2018 105th SamirHodzic 816 38 42ms 11 Oct 2018 105th CaAlden 816 38 41ms 9 May 2019 105th reireias 816 38 53ms 30 Jul 2019 105th Mir0ff944 816 38 46ms 4 Apr 2020 105th Gradizer 816 38 39ms 13 Mar 2021 105th typewriter 816 38 41ms 1 Jun 2021 105th JRaspass 🇬🇧 816 38 39ms 21 Apr 2022 113th greghull 795 39 38ms 8 Nov 2017 113th robymus 795 39 40ms 18 Sep 2018 113th purp 795 39 40ms 13 Aug 2022 113th aydamak 795 39 46ms 15 May 2024 117th ndren 775 40 39ms 2 Aug 2023 117th BREMAUCY 🇫🇷 775 40 36ms 18 Mar 2024 117th Andriamanitra 🇫🇮 775 40 35ms 25 Feb 2025 120th Boostik 756 41 47ms 8 Jan 2018 120th ajc2 756 41 42ms 1 May 2018 120th segiddins 756 41 40ms 24 Aug 2018 120th giruzou 756 41 40ms 24 Mar 2019 120th 0xddom 756 41 47ms 18 Dec 2019 125th nlc 738 42 36ms 18 Dec 2017 125th adoxography 738 42 43ms 10 Oct 2019 127th stevehodges 721 43 47ms 8 Nov 2017 127th graft 721 43 36ms 10 Mar 2018 127th SephQ 721 43 44ms 7 Feb 2021 130th ndimov 705 44 40ms 13 Oct 2017 130th mogron 705 44 40ms 13 Dec 2019 130th sapphyrus 705 44 40ms 18 Feb 2020 130th ninjawarrior1337 705 44 41ms 1 Dec 2021 130th HallMatthew314 705 44 35ms 5 Dec 2021 130th mikiymk 705 44 36ms 21 Sep 2023 136th somebody1234 689 45 35ms 20 Jan 2020 136th BrenSchaap 689 45 35ms 13 Nov 2021 138th bbakersmith 674 46 39ms 30 Jul 2021 138th gfund 674 46 41ms 5 Oct 2022 140th Anonymousellama21 660 47 35ms 18 Feb 2022 141st dwayneparton 646 48 37ms 7 May 2020 141st stellartux 646 48 40ms 24 Dec 2023 143rd iamsolarpowered 633 49 33ms 15 Dec 2017 143rd th1rt3en 633 49 36ms 13 May 2018 143rd zstearman3 633 49 42ms 12 Jul 2018 143rd atayarani 633 49 40ms 18 Jan 2019 143rd HumanoidCPU 633 49 36ms 3 Jul 2024 143rd Florian-Mt 633 49 42ms 14 Jul 2024 149th domgetter 608 51 40ms 10 Jun 2020 149th boxjelly 608 51 35ms 11 Feb 2021 First Prev 76–150 of 180 Next Last