Prime Numbers in C in chars. 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling 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 CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle 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 Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling 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 CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle # Golfer Points Chars Time 1st JayXon 🇺🇸 1,000 51 24 Nov 2021 1st HPWiz 🇳🇿 1,000 51 24 Nov 2021 1st Lydxn 🇨🇦 1,000 51 19 Apr 2022 1st rhdqor213 1,000 51 12 Oct 2023 1st KasperKivimaeki 🇫🇮 1,000 51 5 days ago 6th xsot 🇸🇬 981 52 12 Oct 2023 7th primo-ppcg 🇹🇭 962 53 22 Aug 2020 7th GrayJoKing 🇦🇺 962 53 4 Feb 2022 7th nai62 962 53 29 Aug 2022 7th inventshah 962 53 22 Dec 2022 7th m-tkach 🇺🇦 962 53 12 Oct 2023 7th JohandeRuiter 🇳🇱 962 53 27 Jan 2024 13th nwellnhof 🇩🇪 944 54 9 Aug 2022 13th sisyphus-ppcg 🇦🇺 944 54 22 Nov 2022 13th ovs-code 🇩🇪 944 54 22 Aug 2023 13th ListeriaM 944 54 23 Aug 2023 13th catfish000 944 54 13 Oct 2023 18th tsunderu 🇯🇵 927 55 14 Sep 2021 18th solmyr2000 927 55 21 Jun 2022 20th prplz 🇦🇺 911 56 2 Jan 2022 20th Irratix 🇳🇱 911 56 13 Jun 2022 20th roupiq 🇵🇱 911 56 14 Apr 2024 23rd NewDefectus 🇮🇱 895 57 17 Feb 2021 23rd emgordon154 895 57 30 Dec 2021 23rd sean-niemann 🇺🇸 895 57 14 Oct 2022 23rd Steffan153 🇫🇮 895 57 30 Oct 2022 23rd DialFrost 🇸🇬 895 57 6 Dec 2023 23rd SadiinsoSnowfall 🇫🇷 895 57 5 Mar 2024 29th Attero 🇸🇪 879 58 28 Apr 2020 29th Alex-x90 🇺🇸 879 58 8 Jun 2022 29th MeWhenI 🇻🇦 879 58 29 Nov 2022 29th retrohun 879 58 8 Jan 2023 29th Bmrl7 879 58 12 Jul 2023 29th Widgitty 879 58 31 Jul 2023 29th biocommando 🇫🇮 879 58 30 Aug 2023 29th neel11235813 879 58 1 Jan 2024 29th AdrienHache 🇫🇷 879 58 6 Jan 2024 29th Mandrzejy 🇵🇱 879 58 31 May 2024 39th ElelockSystems 864 59 9 Mar 2019 39th filharmonista 864 59 13 Mar 2020 39th JonasHoefer 864 59 3 Aug 2020 39th Sayan505 🇮🇳 864 59 10 Mar 2021 39th madex 🇩🇪 864 59 23 Mar 2021 39th SirBogman 🇺🇸 864 59 6 Dec 2021 39th jared-hughes 864 59 24 Oct 2022 39th aksyristos 864 59 31 Dec 2022 39th rucin93 🇵🇱 864 59 20 Jan 2023 39th Shanethegamer 🇺🇸 864 59 3 Apr 2023 39th Yewzir 🇧🇪 864 59 30 Sep 2023 39th kkoenig 864 59 25 Dec 2023 39th byronknoll 🇺🇸 864 59 5 Feb 2024 39th Herbert00709 🇵🇱 864 59 12 Apr 2024 53rd djeedjay 🇳🇱 850 60 28 Oct 2020 53rd thebuilder6 🇺🇸 850 60 12 Feb 2021 53rd c0d3-4-F00d 🇩🇪 850 60 4 Jul 2021 53rd janbehrens 🇩🇪 850 60 12 Sep 2021 53rd ColesHoles 850 60 1 Oct 2021 53rd tegenton 850 60 1 Oct 2021 53rd BroccoliRaab 850 60 5 Oct 2021 53rd Anonymousellama21 850 60 10 Jan 2022 53rd AlephSquirrel 850 60 18 Jul 2022 53rd ColeBardin 850 60 30 Jul 2022 53rd Jandoife 850 60 23 Nov 2022 53rd nayakrujul 850 60 3 Jan 2023 53rd namelessiw 850 60 28 Dec 2023 53rd Yooser0 850 60 29 Mar 2024 53rd wuzekai518 850 60 14 Jun 2024 53rd NicknamedTwice 🇲🇨 850 60 22 Aug 2024 69th alichraghi 836 61 15 Oct 2021 69th akshatj27 🇦🇶 836 61 11 Jan 2022 69th LorenzoDeGaspari 836 61 20 Jun 2022 69th jaxmattfair 🇺🇸 836 61 31 Aug 2022 69th angelsz1 836 61 12 Sep 2022 69th slerpyyy 🇩🇪 836 61 31 Oct 2022 69th mathb0y512 836 61 16 Nov 2022 1–75 of 261 Next