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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder 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 404ms 5 Dec 2021 1st JayXon 🇺🇸 1,000 65 409ms 22 Dec 2021 1st Yax42 🇫🇷 1,000 65 433ms 1 Aug 2025 4th primo-ppcg 🇹🇭 985 66 411ms 5 Dec 2021 4th nwellnhof 🇩🇪 985 66 450ms 5 Dec 2021 4th billings7 🇬🇧 985 66 433ms 16 Apr 2022 4th ScottHamper 985 66 443ms 27 Apr 2022 4th btnlq 985 66 451ms 3 Mar 2023 4th 09cf 985 66 458ms 10 Jan 2025 4th AdrienHache 🇫🇷 985 66 542ms 19 Aug 2025 4th DialFrost 🇸🇬 985 66 438ms 13 Nov 2025 12th janbehrens 🇩🇪 942 69 454ms 6 Dec 2021 12th stefangimmillaro 942 69 453ms 7 Jan 2022 12th MeWhenI 🇻🇦 942 69 398ms 18 Jun 2022 12th Steffan153 🇫🇮 942 69 439ms 27 Mar 2023 12th KrausRaus 🇺🇸 942 69 419ms 26 Jun 2023 12th Yewzir 🇧🇪 942 69 453ms 5 Nov 2023 12th namelessiw 942 69 457ms 25 Nov 2023 12th SirBogman 🇺🇸 942 69 441ms 3 Jan 2024 12th sean-niemann 🇺🇸 942 69 626ms 16 Apr 2024 12th fuzzylojik-golf 🇺🇸 942 69 487ms 14 Aug 2025 12th amazingalek 🇳🇴 942 69 459ms 21 Jan 2026 23rd Irratix 🇳🇱 915 71 436ms 13 Dec 2021 23rd Shanethegamer 🇺🇸 915 71 445ms 20 Apr 2022 23rd tomtheisen 🇺🇸 915 71 411ms 6 Jul 2022 23rd Ripick 915 71 402ms 18 Jul 2022 27th CatsAreFluffy 903 72 409ms 28 Nov 2022 28th prplz 🇦🇺 890 73 432ms 7 Jan 2022 28th sultan 890 73 377ms 2 Apr 2024 30th ChrisTheisen 878 74 374ms 19 Dec 2022 30th dokutan 878 74 409ms 14 Jul 2025 32nd LS2021 867 75 388ms 24 Nov 2023 33rd hamhub7 833 78 404ms 26 Aug 2022 34th Matgc04 813 80 389ms 24 Feb 2024 35th postie77 802 81 387ms 26 May 2023 36th tomh1012 793 82 461ms 7 Dec 2021 36th ElysiaVesper 793 82 384ms 19 Nov 2023 38th annaproxy 783 83 465ms 20 Mar 2022 38th josephdwalker 783 83 388ms 14 Nov 2023 38th Re-Adventures 🇮🇳 783 83 451ms 15 Apr 2025 38th michelebastione 🇮🇹 783 83 596ms 27 Aug 2025 42nd FreyLuis 774 84 445ms 18 Jan 2024 43rd bac0id 765 85 386ms 26 Sep 2023 43rd najs91 765 85 486ms 31 Oct 2024 45th malworthy 756 86 393ms 22 Oct 2023 45th epic-programmer-guy 756 86 385ms 19 Dec 2023 45th CaedenHarper 🇨🇦 756 86 417ms 17 Oct 2025 45th mwarvik 🇳🇴 756 86 608ms 7 Jan 2026 49th Betuaredead 747 87 441ms 4 Jan 2023 49th arctouch-cristiannevianna 747 87 588ms 19 May 2023 49th leth4 747 87 472ms 5 Jul 2023 52nd ericlangedijk 🇸🇮 739 88 441ms 16 Mar 2022 52nd Florian-Mt 739 88 452ms 14 Jul 2024 52nd snoozingnewt 🇨🇦 739 88 404ms 28 Sep 2025 52nd Soyo-Wind 739 88 569ms 25 Jan 2026 56th astdefu 730 89 448ms 13 Dec 2022 56th alicethecatwhisperermeow 730 89 416ms 6 Aug 2024 58th HumanoidCPU 722 90 452ms 24 Feb 2024 59th rifatx 714 91 423ms 19 Jul 2024 60th RandGuy 707 92 448ms 8 Dec 2021 60th SmartK8 🇨🇿 707 92 444ms 13 Nov 2022 62nd rollershutter 691 94 477ms 7 Apr 2022 63rd yannikHoeflich 684 95 436ms 26 Dec 2021 63rd Adix-null 🇱🇹 684 95 413ms 30 Jul 2023 63rd msbranicky 684 95 434ms 20 Aug 2023 63rd aDwarfNamedUrist 684 95 399ms 11 Sep 2024 67th Pyro569 677 96 428ms 20 Jul 2023 68th eshilo-draper 657 99 430ms 3 Sep 2022 68th Ythaenagor 657 99 457ms 5 Aug 2024 70th wescombs10 650 100 380ms 29 Oct 2022 70th kaedepol 650 100 376ms 30 Oct 2023 72nd MaxElf999 644 101 440ms 28 Sep 2022 72nd Mikey-Beep 🇬🇧 644 101 474ms 2 Sep 2024 74th TimJackMaster 613 106 461ms 16 Feb 2023 75th mduckles 602 108 445ms 19 Nov 2022 76th resoNathan 556 117 352ms 25 Apr 2024 77th tbschff 551 118 461ms 15 Apr 2022 78th KatieLG 🇬🇧 520 125 407ms 12 Oct 2022 78th Mortistar 520 125 380ms 18 Jul 2023 80th MarkStockwellZA 504 129 392ms 4 Jan 2022 1–80 of 85 Next Last