The Mandelbrot hole will go live in approximately 4 hours. Why not try and solve it ahead of time?
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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 74th rifatx 713 87 19 Jul 2024 74th kenthie42 713 87 6 Aug 2024 74th Natanaelel 🇸🇪 713 87 10 Apr 2025 79th pikti 705 88 21 Nov 2021 79th p-vf 🇨🇭 705 88 16 Jul 2022 79th astdefu 705 88 13 Dec 2022 79th ertz1ertz 705 88 9 Aug 2024 83rd zer0bits42 697 89 14 Nov 2022 83rd CaedenHarper 🇨🇦 697 89 23 Jan 2025 85th jmhowl 689 90 21 Nov 2021 85th TheKPAXian 689 90 21 Nov 2021 85th RandGuy 689 90 8 Dec 2021 88th msbranicky 681 91 22 Aug 2023 89th petroselo 674 92 21 Nov 2021 90th yannikHoeflich 667 93 21 Nov 2021 90th rollershutter 667 93 7 Apr 2022 90th aDwarfNamedUrist 667 93 11 Sep 2024 93rd muztanger 660 94 21 Nov 2021 93rd MaxElf999 660 94 3 Oct 2022 93rd Pyro569 660 94 20 Jul 2023 93rd Adix-null 🇱🇹 660 94 30 Jul 2023 97th eshilo-draper 639 97 3 Sep 2022 97th Alex-Huggett 🇬🇧 639 97 14 Apr 2024 97th Ythaenagor 639 97 5 Aug 2024 100th SpareManiKatti 633 98 21 Nov 2021 100th wescombs10 633 98 29 Oct 2022 102nd Mikey-Beep 🇬🇧 626 99 2 Sep 2024 102nd hippopotam00sehead 🇨🇦 626 99 11 Sep 2024 102nd Soyo-Wind 626 99 16 Mar 2025 105th MadScience137 620 100 12 Oct 2022 106th adotagarwal 614 101 4 Mar 2023 107th iamdavidfrancis 596 104 21 Nov 2021 107th TimJackMaster 596 104 16 Feb 2023 107th nakatchi 596 104 17 Mar 2024 110th taylorbrown2686 590 105 8 Mar 2022 111th mduckles 585 106 19 Nov 2022 111th johannes-looney-lizard 585 106 29 Apr 2025 113th Dexaan 579 107 21 Nov 2021 114th Jennifervl 🇸🇪 564 110 11 Dec 2021 115th resoNathan 559 111 25 Apr 2024 116th mokymok 🇺🇸 554 112 21 Nov 2021 116th retrohun 554 112 28 Dec 2022 116th Mabeloid 🇳🇴 554 112 4 Oct 2024 119th Cbrt74088 534 116 21 Nov 2021 119th tbschff 534 116 16 Apr 2022 119th KatieLG-Transpiler 🇬🇧 534 116 23 Jun 2022 119th zt14427 534 116 30 Aug 2023 119th acotis 534 116 19 Feb 2025 124th aplato 525 118 21 Nov 2021 125th BradSissons 🇳🇿 512 121 21 Nov 2021 126th Mortistar 504 123 18 Jul 2023 127th hklemp 🇩🇪 500 124 21 Nov 2021 128th ze-h 🇺🇸 492 126 24 Aug 2022 128th charliegaming 492 126 3 Oct 2023 130th BeansMage42 477 130 29 Dec 2024 131st MarkStockwellZA 463 134 4 Jan 2022 132nd artisiole 🇺🇸 434 143 3 Mar 2022 133rd codewrite 🇬🇧 408 152 29 May 2025 134th kevinnaviapaiva 400 155 25 Feb 2025 135th ryguyNelson 376 165 21 Nov 2021 136th willpiam 369 168 20 Oct 2023 137th BharadwajSridharan 🇮🇳 133 465 21 Nov 2021 Prev 76–137 of 137