Prime Numbers in C# in bytes. 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 Bytes Time Submitted 81st ericlangedijk 🇸🇮 721 86 378ms 16 Mar 2022 81st Betuaredead 721 86 368ms 4 Jan 2023 81st HumanoidCPU 721 86 379ms 1 Apr 2024 81st Soyo-Wind 721 86 517ms 25 Jan 2026 85th pallbo 713 87 372ms 21 Nov 2021 85th Florian-Mt 713 87 373ms 14 Jul 2024 85th rifatx 713 87 380ms 19 Jul 2024 85th alicethecatwhisperermeow 713 87 457ms 6 Aug 2024 85th Natanaelel 🇸🇪 713 87 373ms 10 Apr 2025 85th snoozingnewt 🇨🇦 713 87 382ms 28 Sep 2025 85th bilal2709 713 87 521ms 23 Jan 2026 92nd pikti 705 88 395ms 21 Nov 2021 92nd p-vf 🇨🇭 705 88 379ms 16 Jul 2022 92nd astdefu 705 88 453ms 13 Dec 2022 92nd ertz1ertz 705 88 426ms 9 Aug 2024 96th zer0bits42 697 89 377ms 14 Nov 2022 97th jmhowl 689 90 360ms 21 Nov 2021 97th TheKPAXian 689 90 372ms 21 Nov 2021 97th RandGuy 689 90 382ms 8 Dec 2021 100th msbranicky 681 91 372ms 22 Aug 2023 101st petroselo 674 92 400ms 21 Nov 2021 102nd yannikHoeflich 667 93 369ms 21 Nov 2021 102nd rollershutter 667 93 370ms 7 Apr 2022 102nd aDwarfNamedUrist 667 93 373ms 11 Sep 2024 105th muztanger 660 94 359ms 21 Nov 2021 105th MaxElf999 660 94 381ms 3 Oct 2022 105th Pyro569 660 94 379ms 20 Jul 2023 108th eshilo-draper 639 97 395ms 3 Sep 2022 108th Alex-Huggett 🇬🇧 639 97 366ms 14 Apr 2024 108th Ythaenagor 639 97 357ms 5 Aug 2024 111th SpareManiKatti 633 98 379ms 21 Nov 2021 111th wescombs10 633 98 369ms 29 Oct 2022 113th Mikey-Beep 🇬🇧 626 99 402ms 2 Sep 2024 113th hippopotam00sehead 🇨🇦 626 99 376ms 11 Sep 2024 115th MadScience137 620 100 391ms 12 Oct 2022 116th adotagarwal 614 101 487ms 4 Mar 2023 117th iamdavidfrancis 596 104 377ms 21 Nov 2021 117th TimJackMaster 596 104 396ms 16 Feb 2023 117th nakatchi 596 104 386ms 17 Mar 2024 120th taylorbrown2686 590 105 350ms 8 Mar 2022 121st mduckles 585 106 382ms 19 Nov 2022 121st johannes-looney-lizard 585 106 372ms 29 Apr 2025 123rd Dexaan 579 107 385ms 21 Nov 2021 124th Jennifervl 🇸🇪 564 110 357ms 11 Dec 2021 125th resoNathan 559 111 360ms 25 Apr 2024 126th mokymok 🇺🇸 554 112 383ms 21 Nov 2021 126th retrohun 554 112 354ms 28 Dec 2022 126th Mabeloid 🇳🇴 554 112 366ms 4 Oct 2024 126th Andrey2001 554 112 415ms 29 Jan 2026 130th Cbrt74088 534 116 386ms 21 Nov 2021 130th tbschff 534 116 380ms 16 Apr 2022 130th KatieLG-Transpiler 🇬🇧 534 116 588ms 23 Jun 2022 130th zt14427 534 116 371ms 30 Aug 2023 130th acotis 534 116 393ms 19 Feb 2025 135th aplato 525 118 391ms 21 Nov 2021 136th BradSissons 🇳🇿 512 121 392ms 21 Nov 2021 137th Mortistar 504 123 378ms 18 Jul 2023 138th hklemp 🇩🇪 500 124 381ms 21 Nov 2021 139th ze-h 🇺🇸 492 126 393ms 24 Aug 2022 139th charliegaming 492 126 395ms 3 Oct 2023 141st BeansMage42 477 130 374ms 29 Dec 2024 142nd MarkStockwellZA 463 134 394ms 4 Jan 2022 143rd artisiole 🇺🇸 434 143 380ms 3 Mar 2022 144th codewrite 🇬🇧 416 149 691ms 3 Jan 2026 145th kevinnaviapaiva 400 155 395ms 25 Feb 2025 146th ryguyNelson 376 165 382ms 21 Nov 2021 147th willpiam 369 168 425ms 20 Oct 2023 148th BharadwajSridharan 🇮🇳 133 465 477ms 21 Nov 2021 First Prev 81–148 of 148
