Prime Numbers (Long) in C# in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st Lydxn 🇨🇦 1,000 65 416ms 5 Dec 2021 1st JayXon 🇺🇸 1,000 65 444ms 22 Dec 2021 1st Yax42 🇫🇷 1,000 65 463ms 1 Aug 2025 4th primo-ppcg 🇹🇭 985 66 435ms 5 Dec 2021 4th nwellnhof 🇩🇪 985 66 461ms 5 Dec 2021 4th billings7 🇬🇧 985 66 450ms 16 Apr 2022 4th ScottHamper 985 66 445ms 27 Apr 2022 4th btnlq 985 66 461ms 3 Mar 2023 4th 09cf 985 66 460ms 10 Jan 2025 4th AdrienHache 🇫🇷 985 66 418ms 19 Aug 2025 4th DialFrost 🇸🇬 985 66 556ms 13 Nov 2025 12th janbehrens 🇩🇪 942 69 485ms 6 Dec 2021 12th stefangimmillaro 942 69 457ms 7 Jan 2022 12th MeWhenI 🇻🇦 942 69 413ms 18 Jun 2022 12th Steffan153 🇫🇮 942 69 451ms 27 Mar 2023 12th KrausRaus 🇺🇸 942 69 420ms 26 Jun 2023 12th Yewzir 🇧🇪 942 69 470ms 5 Nov 2023 12th namelessiw 942 69 471ms 25 Nov 2023 12th SirBogman 🇺🇸 942 69 447ms 3 Jan 2024 12th sean-niemann 🇺🇸 942 69 436ms 16 Apr 2024 12th fuzzylojik-golf 🇺🇸 942 69 539ms 14 Aug 2025 22nd Irratix 🇳🇱 915 71 452ms 13 Dec 2021 22nd Shanethegamer 🇺🇸 915 71 469ms 20 Apr 2022 22nd tomtheisen 🇺🇸 915 71 425ms 6 Jul 2022 22nd Ripick 915 71 435ms 18 Jul 2022 22nd amazingalek 915 71 364ms 7 days ago 27th CatsAreFluffy 903 72 442ms 28 Nov 2022 28th prplz 🇦🇺 890 73 455ms 7 Jan 2022 28th sultan 890 73 409ms 2 Apr 2024 30th ChrisTheisen 878 74 403ms 19 Dec 2022 30th dokutan 878 74 421ms 14 Jul 2025 32nd LS2021 867 75 413ms 24 Nov 2023 33rd hamhub7 833 78 433ms 26 Aug 2022 34th Matgc04 813 80 428ms 24 Feb 2024 35th postie77 802 81 417ms 26 May 2023 36th tomh1012 793 82 472ms 7 Dec 2021 36th ElysiaVesper 793 82 414ms 19 Nov 2023 38th annaproxy 783 83 502ms 20 Mar 2022 38th josephdwalker 783 83 415ms 14 Nov 2023 38th Re-Adventures 🇮🇳 783 83 482ms 15 Apr 2025 38th michelebastione 🇮🇹 783 83 490ms 27 Aug 2025 42nd FreyLuis 774 84 457ms 18 Jan 2024 43rd bac0id 765 85 400ms 26 Sep 2023 43rd najs91 765 85 445ms 31 Oct 2024 45th malworthy 756 86 414ms 22 Oct 2023 45th epic-programmer-guy 756 86 418ms 19 Dec 2023 45th CaedenHarper 🇨🇦 756 86 441ms 17 Oct 2025 45th mwarvik 🇳🇴 756 86 409ms 7 days ago 49th Betuaredead 747 87 471ms 4 Jan 2023 49th arctouch-cristiannevianna 747 87 576ms 19 May 2023 49th leth4 747 87 479ms 5 Jul 2023 52nd ericlangedijk 🇸🇮 739 88 479ms 16 Mar 2022 52nd Florian-Mt 739 88 440ms 14 Jul 2024 52nd snoozingnewt 🇨🇦 739 88 430ms 28 Sep 2025 55th astdefu 730 89 492ms 13 Dec 2022 55th alicethecatwhisperermeow 730 89 441ms 6 Aug 2024 57th HumanoidCPU 722 90 481ms 24 Feb 2024 58th rifatx 714 91 442ms 19 Jul 2024 59th RandGuy 707 92 475ms 8 Dec 2021 59th SmartK8 🇨🇿 707 92 479ms 13 Nov 2022 59th Soyo-Wind 707 92 476ms 9 Nov 2025 62nd rollershutter 691 94 488ms 7 Apr 2022 63rd yannikHoeflich 684 95 464ms 26 Dec 2021 63rd Adix-null 🇱🇹 684 95 436ms 30 Jul 2023 63rd msbranicky 684 95 453ms 20 Aug 2023 63rd aDwarfNamedUrist 684 95 419ms 11 Sep 2024 67th Pyro569 677 96 458ms 20 Jul 2023 68th eshilo-draper 657 99 449ms 3 Sep 2022 68th Ythaenagor 657 99 476ms 5 Aug 2024 70th wescombs10 650 100 394ms 29 Oct 2022 70th kaedepol 650 100 430ms 30 Oct 2023 72nd MaxElf999 644 101 467ms 28 Sep 2022 72nd Mikey-Beep 🇬🇧 644 101 475ms 2 Sep 2024 74th TimJackMaster 613 106 457ms 16 Feb 2023 75th mduckles 602 108 472ms 19 Nov 2022 76th resoNathan 556 117 387ms 25 Apr 2024 77th tbschff 551 118 488ms 15 Apr 2022 78th KatieLG 🇬🇧 520 125 451ms 12 Oct 2022 78th Mortistar 520 125 401ms 18 Jul 2023 80th MarkStockwellZA 504 129 434ms 4 Jan 2022 1–80 of 85 Next Last