Prime Numbers in PHP 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 ROT13 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT 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 Rockstar 2 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 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 Rockstar 2 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 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 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 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 1st primo-ppcg 🇹🇭 1,000 43 5 Jun 2018 2nd sisyphus-ppcg 🇦🇺 977 44 18 Dec 2020 3rd Lydxn 🇨🇦 956 45 2 Jul 2023 4th emplv 🇱🇻 935 46 7 May 2021 4th targrik 935 46 5 Dec 2024 4th sean-niemann 🇺🇸 935 46 17 Jan 2025 7th xsot 🇸🇬 915 47 25 May 2024 8th GrayJoKing 🇦🇺 896 48 19 Dec 2020 9th UpwardProcess 878 49 18 Jul 2019 9th prplz 🇦🇺 878 49 6 Mar 2020 9th rucin93 🇵🇱 878 49 6 Sep 2020 9th Argeento 🇵🇱 878 49 10 Oct 2020 9th BBoehm 🇩🇪 878 49 26 Oct 2020 9th aksyristos 878 49 25 Oct 2022 9th DialFrost 🇸🇬 878 49 10 Feb 2023 9th MeWhenI 🇻🇦 878 49 31 Mar 2024 17th madex 🇩🇪 860 50 22 Aug 2021 17th rollershutter 860 50 27 Jun 2024 17th CaedenHarper 🇨🇦 860 50 26 Jan 2025 20th activekim 843 51 2 Aug 2018 20th ondras 843 51 1 May 2020 20th peculiarination 843 51 29 Apr 2021 20th c0d3-4-F00d 🇩🇪 843 51 25 May 2021 20th alichraghi 843 51 15 Oct 2021 25th villfa 811 53 7 Mar 2018 25th janbehrens 🇩🇪 811 53 3 Sep 2020 25th Shanethegamer 🇺🇸 811 53 21 Apr 2022 28th Yewzir 🇧🇪 796 54 5 Nov 2023 29th Attero 🇸🇪 782 55 8 Sep 2020 29th stefangimmillaro 782 55 22 Oct 2022 29th m-tkach 🇺🇦 782 55 11 Apr 2024 32nd KrausRaus 🇺🇸 768 56 7 Dec 2021 33rd labster 754 57 26 Feb 2018 33rd nnchutchikov 754 57 12 Dec 2024 35th H3Rol4x 741 58 5 Dec 2023 36th jrdbrndt 729 59 14 Feb 2018 36th hyvyys 729 59 21 Sep 2020 36th orthoplex 🇨🇽 729 59 6 Oct 2020 36th sebipopa 🇷🇴 729 59 23 Sep 2022 36th stefangabos 🇷🇴 729 59 23 Sep 2022 36th edsrzf 🇳🇿 729 59 19 Sep 2024 42nd tvolf 717 60 9 May 2019 42nd Tonic-Box 717 60 7 Nov 2020 44th Re-Adventures 🇮🇳 705 61 4 Nov 2022 45th pschmid0 🇺🇸 694 62 7 Aug 2022 45th sultan 694 62 2 Apr 2024 47th lacroixjonathan87 672 64 6 Sep 2020 47th satutalo 🇫🇮 672 64 29 Nov 2022 49th owenoclee 662 65 6 Oct 2017 49th alexeytihomirov 662 65 5 Apr 2019 49th josh-h-90 662 65 1 Feb 2021 49th cnelson20 662 65 8 Aug 2022 53rd Betuaredead 652 66 4 Jan 2023 53rd hossammohammed72 652 66 12 Jul 2023 55th dokutan 642 67 15 Jun 2024 55th Kokusui 🇯🇵 642 67 26 Jul 2024 57th aschui 632 68 5 Nov 2018 57th lightbliss 632 68 4 Sep 2019 57th akira-aizawa 🇯🇵 632 68 27 Dec 2021 57th ArtemBrovko 632 68 15 Jul 2023 61st volktron 623 69 1 Jun 2019 62nd astdefu 614 70 13 Dec 2022 63rd ConnorHowell 597 72 21 Mar 2018 63rd MikeSimpson 597 72 16 Oct 2018 63rd stadamdoki 597 72 23 Mar 2021 63rd infostreams 597 72 12 Jul 2023 67th Neofox 589 73 21 Nov 2017 68th retrohun 581 74 21 Dec 2018 68th kchapelier 581 74 27 Apr 2020 68th oddvalue 581 74 23 Aug 2022 68th rifatx 581 74 16 Jul 2024 72nd zelenovas 🇷🇺 573 75 10 Feb 2023 72nd Florian-Mt 573 75 9 Jul 2024 72nd eclyptox 573 75 11 Oct 2024 75th rwellens 566 76 3 Jan 2018 1–75 of 136 Next