Prime Numbers in C# 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 p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 1st JayXon 🇺🇸 1,000 62 358ms 13 Jun 2023 1st Lydxn 🇨🇦 1,000 62 350ms 1 Jul 2023 3rd stefangimmillaro 984 63 346ms 12 Jun 2023 3rd namelessiw 984 63 361ms 9 Aug 2024 3rd fuzzylojik-golf 🇺🇸 984 63 380ms 31 Jul 2025 6th nwellnhof 🇩🇪 969 64 342ms 21 Dec 2021 6th btnlq 969 64 316ms 10 Mar 2023 6th AdrienHache 🇫🇷 969 64 338ms 31 May 2023 6th MeWhenI 🇻🇦 969 64 341ms 26 Jul 2023 6th sean-niemann 🇺🇸 969 64 344ms 23 Dec 2024 6th WalrusesAreAwesome 969 64 349ms 11 Jan 2025 6th prplz 🇦🇺 969 64 341ms 23 Jan 2025 6th Yax42 🇫🇷 969 64 309ms 1 Aug 2025 14th Attero 🇸🇪 954 65 331ms 21 Nov 2021 14th billings7 🇬🇧 954 65 345ms 21 Nov 2021 14th KatieLG 🇬🇧 954 65 358ms 21 Nov 2021 14th primo-ppcg 🇹🇭 954 65 348ms 21 Nov 2021 14th tomtheisen 🇺🇸 954 65 349ms 21 Nov 2021 14th roavin 954 65 368ms 29 Jun 2022 14th annaproxy 954 65 373ms 19 May 2023 14th b-illy 🇬🇧 954 65 325ms 21 Jan 2025 22nd ScottHamper 939 66 298ms 21 Nov 2021 22nd Shanethegamer 🇺🇸 939 66 316ms 28 Dec 2021 22nd Yewzir 🇧🇪 939 66 296ms 8 May 2023 22nd janbehrens 🇩🇪 939 66 276ms 27 Nov 2023 22nd SirBogman 🇺🇸 939 66 330ms 3 Jan 2024 27th KrausRaus 🇺🇸 912 68 364ms 26 Jun 2023 28th Gaddy 🇫🇷 899 69 318ms 1 Jun 2022 28th postie77 899 69 322ms 18 Apr 2023 30th Irratix 🇳🇱 886 70 334ms 13 Dec 2021 30th Ripick 886 70 293ms 18 Jul 2022 30th CatsAreFluffy 886 70 341ms 28 Nov 2022 33rd sultan 873 71 328ms 2 Apr 2024 34th tkr-sh 🇫🇷 861 72 330ms 4 May 2022 34th ChrisTheisen 861 72 339ms 19 Dec 2022 34th mathb0y512 861 72 349ms 8 Feb 2023 37th LS2021 849 73 388ms 24 Nov 2023 37th dokutan 849 73 322ms 14 Jul 2025 39th Meowsan91 🇨🇿 827 75 342ms 21 Nov 2021 39th SmartK8 🇨🇿 827 75 330ms 13 Nov 2022 41st pan4ever 816 76 387ms 21 Nov 2021 41st hamhub7 816 76 341ms 26 Aug 2022 41st Matgc04 816 76 336ms 23 Feb 2024 41st Squimbletin 816 76 347ms 22 Apr 2025 45th CarsonChr 🇺🇸 795 78 374ms 7 Apr 2024 46th hyvyys 785 79 332ms 21 Nov 2021 47th aliakseikalosha 775 80 347ms 21 Nov 2021 47th oren0 775 80 307ms 21 Nov 2021 47th adlerzei 775 80 364ms 5 May 2022 47th arctouch-sergeymetlov 775 80 335ms 21 Jun 2023 47th ElysiaVesper 775 80 336ms 19 Nov 2023 47th Re-Adventures 🇮🇳 775 80 381ms 15 Apr 2025 53rd tdkkdt 🇷🇺 765 81 339ms 21 Nov 2021 53rd tomh1012 765 81 345ms 21 Nov 2021 53rd MLPdiscord 765 81 329ms 10 Jan 2022 53rd josephdwalker 765 81 341ms 14 Nov 2023 57th ILMTitan 756 82 368ms 21 Nov 2021 57th Romain-1 🇫🇷 756 82 354ms 1 Jun 2022 57th arctouch-cristiannevianna 756 82 400ms 23 May 2023 57th kkoenig 756 82 374ms 25 Dec 2023 57th FreyLuis 756 82 388ms 17 Jan 2024 57th michelebastione 🇮🇹 756 82 376ms 27 Aug 2025 63rd castur1 747 83 335ms 3 Feb 2022 64th JDiLenarda 🇫🇷 738 84 314ms 21 Nov 2021 64th najs91 738 84 337ms 21 Nov 2021 64th bac0id 738 84 329ms 22 Sep 2023 64th epic-programmer-guy 738 84 369ms 19 Dec 2023 64th QzLP2P 738 84 349ms 29 Mar 2024 64th malworthy 738 84 363ms 16 Aug 2024 64th arcpolaris 738 84 371ms 27 Mar 2025 71st leth4 729 85 317ms 5 Jul 2023 71st CaedenHarper 🇨🇦 729 85 496ms 7 days ago 73rd ericlangedijk 🇸🇮 721 86 343ms 16 Mar 2022 73rd Betuaredead 721 86 332ms 4 Jan 2023 73rd HumanoidCPU 721 86 349ms 1 Apr 2024 1–75 of 140 Next Last