Prime Numbers (Long) 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 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 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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 79th Maashau 775 71 10ms 1 Dec 2025 79th luuumine 🇫🇷 775 71 63ms 8 Dec 2025 83rd RYNO8 764 72 63ms 7 Dec 2021 83rd Heathcorp 🇦🇺 764 72 64ms 18 Feb 2022 83rd C0de5mith 🇺🇸 764 72 42ms 22 Dec 2022 83rd elgan65536 🇺🇸 764 72 54ms 11 Nov 2023 83rd madeforlosers 764 72 64ms 5 Sep 2024 83rd gastropner 764 72 64ms 11 Feb 2025 89th Betuaredead 753 73 62ms 4 Jan 2023 89th wansacis 🇩🇪 753 73 38ms 23 Mar 2023 89th zgialor-lab 753 73 10ms 2 Feb 2026 92nd Natanaelel 🇸🇪 743 74 132ms 7 Dec 2021 92nd ei14 743 74 41ms 18 Jun 2022 92nd bac0id 743 74 13ms 22 Sep 2023 92nd licekto 743 74 11ms 25 Feb 2024 92nd oscargeerts 743 74 62ms 23 Jun 2025 97th pandapawskat 724 76 76ms 9 Dec 2022 97th YoranDS 724 76 9ms 29 May 2023 99th Grrisly 714 77 63ms 8 Nov 2023 99th HumanoidCPU 714 77 64ms 15 Feb 2024 99th matricronia 714 77 43ms 2 Feb 2026 102nd 0xA00 705 78 43ms 4 Dec 2025 103rd astdefu 696 79 66ms 10 Dec 2022 104th AaronHe7 688 80 36ms 21 Nov 2022 104th NickTheEASDude 🇺🇸 688 80 133ms 27 Feb 2024 104th mickmurci 688 80 9ms 30 Dec 2024 107th isaiah0311 🇺🇸 679 81 63ms 26 Jan 2026 107th kasarino 679 81 10ms 26 days ago 109th BruceMcRooster 671 82 10ms 23 Mar 2022 110th mamalakic 663 83 63ms 2 Mar 2023 110th Us1ngTh3Hub 663 83 16ms 2 Apr 2024 112th annaproxy 655 84 63ms 18 May 2023 112th Jaro32768 🇸🇰 655 84 9ms 8 Feb 2024 112th evanjaco 655 84 63ms 5 Oct 2024 115th Waterperry 647 85 9ms 25 Dec 2021 115th LHLaurini 🇧🇷 647 85 63ms 1 May 2024 115th TheBrokenRail 647 85 73ms 5 Oct 2024 118th Mabeloid 🇳🇴 640 86 45ms 21 Oct 2025 119th xnacly 🇩🇪 625 88 65ms 4 Jul 2023 120th kallmi28 🇨🇿 618 89 123ms 31 Oct 2023 121st shibacho 🇯🇵 611 90 9ms 18 Mar 2022 121st TornadoCookie 611 90 3ms 17 Oct 2022 123rd Pyro569 598 92 63ms 28 Jul 2023 124th rifatx 591 93 63ms 11 Jul 2024 124th Andrey2001 591 93 63ms 29 Jan 2026 126th BpbjsGreen 🇨🇳 579 95 17ms 7 Jul 2024 127th aDwarfNamedUrist 573 96 46ms 11 Sep 2024 128th msbranicky 561 98 63ms 20 Aug 2023 129th Giantnoodlemonster 550 100 73ms 2 Nov 2024 130th mxchen2001 545 101 76ms 26 Jan 2023 131st cnelson20 534 103 9ms 8 Aug 2022 132nd jgbaldwinbrown 529 104 3ms 14 Jun 2022 133rd Sephirem98 519 106 68ms 26 Oct 2023 134th DrPiranoid 514 107 2ms 8 Oct 2022 135th atazzam 🇺🇸 509 108 9ms 31 Aug 2022 136th dillon-duncando 505 109 63ms 24 Dec 2021 136th sm1lko 505 109 63ms 9 Dec 2022 138th Vexxter9 🇳🇱 495 111 2ms 3 Sep 2025 139th Florian-Mt 491 112 47ms 14 Jul 2024 140th Qruintrox 487 113 9ms 25 Jun 2023 141st CyberTapir 478 115 63ms 28 Aug 2024 142nd NeatCrown 🇨🇦 462 119 63ms 14 Dec 2022 143rd Blockyheadman 420 131 11ms 14 Aug 2024 144th Sascha37 🇩🇪 404 136 4ms 13 Oct 2025 145th MaxElf999 387 142 64ms 27 Sep 2022 146th jonah1068 372 148 75ms 15 Sep 2023 147th 0dyse 355 155 9ms 9 Sep 2025 148th kevinnaviapaiva 285 193 10ms 25 Feb 2025 149th Bananapants22 233 236 3ms 8 Sep 2022 150th Aarze18 177 311 63ms 23 Nov 2025 151st somT-oss 153 359 10ms 29 Nov 2024 152nd Haksell 🇦🇶 9 5,964 1ms 28 Feb 2023 152nd klixel 🇨🇦 9 5,964 1ms 18 Apr 2023 152nd JOrE20 9 5,964 2ms 2 Feb 2026 155th KatieLG 🇬🇧 8 7,194 2ms 7 Dec 2021 156th KatieLG-Transpiler 🇬🇧 8 7,196 1ms 23 Jun 2022 First Prev 81–156 of 156