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 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 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 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 Bytes Time Submitted 79th Adix-null 🇱🇹 729 85 395ms 10 Nov 2025 82nd ericlangedijk 🇸🇮 721 86 378ms 16 Mar 2022 82nd Betuaredead 721 86 368ms 4 Jan 2023 82nd HumanoidCPU 721 86 379ms 1 Apr 2024 82nd Soyo-Wind 721 86 388ms 25 Jan 2026 86th pallbo 713 87 363ms 21 Nov 2021 86th Florian-Mt 713 87 373ms 14 Jul 2024 86th rifatx 713 87 380ms 19 Jul 2024 86th alicethecatwhisperermeow 713 87 443ms 6 Aug 2024 86th Natanaelel 🇸🇪 713 87 357ms 10 Apr 2025 86th snoozingnewt 🇨🇦 713 87 371ms 28 Sep 2025 86th bilal2709 713 87 387ms 23 Jan 2026 93rd pikti 705 88 363ms 21 Nov 2021 93rd p-vf 🇨🇭 705 88 378ms 16 Jul 2022 93rd astdefu 705 88 386ms 13 Dec 2022 93rd ertz1ertz 705 88 400ms 9 Aug 2024 97th zer0bits42 697 89 376ms 14 Nov 2022 98th jmhowl 689 90 360ms 21 Nov 2021 98th TheKPAXian 689 90 368ms 21 Nov 2021 98th RandGuy 689 90 380ms 8 Dec 2021 98th jusaka 689 90 436ms 22 hours ago 102nd msbranicky 681 91 355ms 22 Aug 2023 103rd petroselo 674 92 400ms 21 Nov 2021 104th yannikHoeflich 667 93 352ms 21 Nov 2021 104th rollershutter 667 93 362ms 7 Apr 2022 104th aDwarfNamedUrist 667 93 373ms 11 Sep 2024 107th muztanger 660 94 359ms 21 Nov 2021 107th MaxElf999 660 94 381ms 3 Oct 2022 107th Pyro569 660 94 378ms 20 Jul 2023 110th eshilo-draper 639 97 363ms 3 Sep 2022 110th Alex-Huggett 🇬🇧 639 97 357ms 14 Apr 2024 110th Ythaenagor 639 97 357ms 5 Aug 2024 113th SpareManiKatti 633 98 378ms 21 Nov 2021 113th wescombs10 633 98 360ms 29 Oct 2022 115th Mikey-Beep 🇬🇧 626 99 400ms 2 Sep 2024 115th hippopotam00sehead 🇨🇦 626 99 375ms 11 Sep 2024 117th MadScience137 620 100 388ms 12 Oct 2022 118th adotagarwal 614 101 398ms 4 Mar 2023 119th iamdavidfrancis 596 104 377ms 21 Nov 2021 119th TimJackMaster 596 104 396ms 16 Feb 2023 119th nakatchi 596 104 386ms 17 Mar 2024 122nd taylorbrown2686 590 105 350ms 8 Mar 2022 123rd mduckles 585 106 354ms 19 Nov 2022 123rd johannes-looney-lizard 585 106 369ms 29 Apr 2025 125th Dexaan 579 107 357ms 21 Nov 2021 126th Jennifervl 🇸🇪 564 110 357ms 11 Dec 2021 127th resoNathan 559 111 360ms 25 Apr 2024 128th mokymok 🇺🇸 554 112 358ms 21 Nov 2021 128th retrohun 554 112 354ms 28 Dec 2022 128th Mabeloid 🇳🇴 554 112 346ms 4 Oct 2024 128th Andrey2001 554 112 362ms 29 Jan 2026 132nd Cbrt74088 534 116 380ms 21 Nov 2021 132nd tbschff 534 116 380ms 16 Apr 2022 132nd KatieLG-Transpiler 🇬🇧 534 116 372ms 23 Jun 2022 132nd zt14427 534 116 366ms 30 Aug 2023 132nd acotis 534 116 364ms 19 Feb 2025 137th aplato 525 118 373ms 21 Nov 2021 138th BradSissons 🇳🇿 512 121 392ms 21 Nov 2021 139th Mortistar 504 123 377ms 18 Jul 2023 140th hklemp 🇩🇪 500 124 381ms 21 Nov 2021 141st ze-h 🇺🇸 492 126 376ms 24 Aug 2022 141st charliegaming 492 126 380ms 3 Oct 2023 143rd BeansMage42 477 130 374ms 29 Dec 2024 144th MarkStockwellZA 463 134 394ms 4 Jan 2022 145th artisiole 🇺🇸 434 143 380ms 3 Mar 2022 146th codewrite 🇬🇧 416 149 414ms 3 Jan 2026 147th kevinnaviapaiva 400 155 387ms 25 Feb 2025 148th ryguyNelson 376 165 379ms 21 Nov 2021 149th willpiam 369 168 405ms 20 Oct 2023 150th BharadwajSridharan 🇮🇳 133 465 406ms 21 Nov 2021 First Prev 81–150 of 150