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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st Lydxn 🇨🇦 1,000 65 420ms 5 Dec 2021 1st JayXon 🇺🇸 1,000 65 425ms 22 Dec 2021 1st Yax42 🇫🇷 1,000 65 480ms 1 Aug 2025 4th primo-ppcg 🇹🇭 985 66 489ms 5 Dec 2021 4th nwellnhof 🇩🇪 985 66 441ms 5 Dec 2021 4th billings7 🇬🇧 985 66 470ms 16 Apr 2022 4th ScottHamper 985 66 443ms 27 Apr 2022 4th btnlq 985 66 463ms 3 Mar 2023 4th 09cf 985 66 438ms 10 Jan 2025 4th AdrienHache 🇫🇷 985 66 512ms 19 Aug 2025 4th DialFrost 🇸🇬 985 66 464ms 13 Nov 2025 4th Steffan153 🇫🇮 985 66 446ms 19 Mar 2026 13th janbehrens 🇩🇪 942 69 469ms 6 Dec 2021 13th stefangimmillaro 942 69 456ms 7 Jan 2022 13th MeWhenI 🇻🇦 942 69 398ms 18 Jun 2022 13th KrausRaus 🇺🇸 942 69 439ms 26 Jun 2023 13th Yewzir 🇧🇪 942 69 448ms 5 Nov 2023 13th namelessiw 942 69 470ms 25 Nov 2023 13th SirBogman 🇺🇸 942 69 431ms 3 Jan 2024 13th sean-niemann 🇺🇸 942 69 473ms 16 Apr 2024 13th fuzzylojik-golf 🇺🇸 942 69 466ms 14 Aug 2025 13th amazingalek 🇳🇴 942 69 465ms 21 Jan 2026 13th matanberstadt 942 69 464ms 29 hours ago 24th Irratix 🇳🇱 915 71 460ms 13 Dec 2021 24th Shanethegamer 🇺🇸 915 71 441ms 20 Apr 2022 24th tomtheisen 🇺🇸 915 71 408ms 6 Jul 2022 24th Ripick 915 71 384ms 18 Jul 2022 28th CatsAreFluffy 903 72 396ms 28 Nov 2022 29th prplz 🇦🇺 890 73 436ms 7 Jan 2022 29th sultan 890 73 386ms 2 Apr 2024 31st ChrisTheisen 878 74 386ms 19 Dec 2022 31st dokutan 878 74 464ms 14 Jul 2025 33rd LS2021 867 75 385ms 24 Nov 2023 34th hamhub7 833 78 383ms 26 Aug 2022 35th kasarino 823 79 481ms 23 Mar 2026 35th scpchicken 🇵🇼 823 79 465ms 2 days ago 37th Matgc04 813 80 421ms 24 Feb 2024 38th postie77 802 81 395ms 26 May 2023 39th tomh1012 793 82 480ms 7 Dec 2021 39th ElysiaVesper 793 82 384ms 19 Nov 2023 41st annaproxy 783 83 468ms 20 Mar 2022 41st josephdwalker 783 83 398ms 14 Nov 2023 41st Re-Adventures 🇮🇳 783 83 486ms 15 Apr 2025 41st michelebastione 🇮🇹 783 83 531ms 27 Aug 2025 45th FreyLuis 774 84 405ms 18 Jan 2024 46th bac0id 765 85 402ms 26 Sep 2023 46th najs91 765 85 445ms 31 Oct 2024 48th malworthy 756 86 397ms 22 Oct 2023 48th epic-programmer-guy 756 86 371ms 19 Dec 2023 48th CaedenHarper 🇨🇦 756 86 442ms 17 Oct 2025 48th mwarvik 🇳🇴 756 86 530ms 7 Jan 2026 52nd Betuaredead 747 87 456ms 4 Jan 2023 52nd arctouch-cristiannevianna 747 87 580ms 19 May 2023 52nd leth4 747 87 467ms 5 Jul 2023 55th ericlangedijk 🇸🇮 739 88 460ms 16 Mar 2022 55th Florian-Mt 739 88 467ms 14 Jul 2024 55th snoozingnewt 🇨🇦 739 88 443ms 28 Sep 2025 55th Soyo-Wind 739 88 497ms 25 Jan 2026 59th astdefu 730 89 464ms 13 Dec 2022 59th alicethecatwhisperermeow 730 89 433ms 6 Aug 2024 61st HumanoidCPU 722 90 448ms 24 Feb 2024 62nd rifatx 714 91 422ms 19 Jul 2024 63rd RandGuy 707 92 481ms 8 Dec 2021 63rd SmartK8 🇨🇿 707 92 460ms 13 Nov 2022 65th rollershutter 691 94 478ms 7 Apr 2022 66th yannikHoeflich 684 95 460ms 26 Dec 2021 66th Adix-null 🇱🇹 684 95 447ms 30 Jul 2023 66th msbranicky 684 95 423ms 20 Aug 2023 66th aDwarfNamedUrist 684 95 396ms 11 Sep 2024 70th Pyro569 677 96 437ms 20 Jul 2023 71st eshilo-draper 657 99 444ms 3 Sep 2022 71st Ythaenagor 657 99 446ms 5 Aug 2024 73rd wescombs10 650 100 368ms 29 Oct 2022 73rd kaedepol 650 100 376ms 30 Oct 2023 75th MaxElf999 644 101 440ms 28 Sep 2022 75th Mikey-Beep 🇬🇧 644 101 472ms 2 Sep 2024 77th TimJackMaster 613 106 453ms 16 Feb 2023 78th mduckles 602 108 431ms 19 Nov 2022 79th resoNathan 556 117 380ms 25 Apr 2024 80th tbschff 551 118 450ms 15 Apr 2022 1–80 of 90 Next Last