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 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 Highly Composite Numbers 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 Highly Composite Numbers 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 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 19 days ago 6th xsot 🇸🇬 915 47 25 May 2024 7th GrayJoKing 🇦🇺 896 48 19 Dec 2020 8th UpwardProcess 878 49 18 Jul 2019 8th prplz 🇦🇺 878 49 6 Mar 2020 8th rucin93 🇵🇱 878 49 6 Sep 2020 8th Argeento 🇵🇱 878 49 10 Oct 2020 8th BBoehm 🇩🇪 878 49 26 Oct 2020 8th sean-niemann 🇺🇸 878 49 19 Mar 2022 8th aksyristos 878 49 25 Oct 2022 8th DialFrost 🇸🇬 878 49 10 Feb 2023 8th MeWhenI 🇻🇦 878 49 31 Mar 2024 17th madex 🇩🇪 860 50 22 Aug 2021 17th rollershutter 860 50 27 Jun 2024 19th activekim 843 51 2 Aug 2018 19th ondras 843 51 1 May 2020 19th peculiarination 843 51 29 Apr 2021 19th c0d3-4-F00d 🇩🇪 843 51 25 May 2021 19th alichraghi 843 51 15 Oct 2021 24th villfa 811 53 7 Mar 2018 24th janbehrens 🇩🇪 811 53 3 Sep 2020 24th Shanethegamer 🇺🇸 811 53 21 Apr 2022 27th Yewzir 🇧🇪 796 54 5 Nov 2023 28th Attero 🇸🇪 782 55 8 Sep 2020 28th stefangimmillaro 782 55 22 Oct 2022 28th m-tkach 🇺🇦 782 55 11 Apr 2024 31st KrausRaus 🇺🇸 768 56 7 Dec 2021 32nd labster 754 57 26 Feb 2018 32nd nnchutchikov 754 57 12 days ago 34th H3Rol4x 741 58 5 Dec 2023 35th jrdbrndt 729 59 14 Feb 2018 35th hyvyys 729 59 21 Sep 2020 35th orthoplex 🇨🇽 729 59 6 Oct 2020 35th sebipopa 🇷🇴 729 59 23 Sep 2022 35th stefangabos 🇷🇴 729 59 23 Sep 2022 35th edsrzf 🇳🇿 729 59 19 Sep 2024 41st tvolf 717 60 9 May 2019 41st Tonic-Box 717 60 7 Nov 2020 43rd Re-Adventures 🇮🇳 705 61 4 Nov 2022 44th pschmid0 🇺🇸 694 62 7 Aug 2022 44th sultan 694 62 2 Apr 2024 46th lacroixjonathan87 672 64 6 Sep 2020 46th satutalo 🇫🇮 672 64 29 Nov 2022 48th owenoclee 662 65 6 Oct 2017 48th alexeytihomirov 662 65 5 Apr 2019 48th josh-h-90 662 65 1 Feb 2021 48th cnelson20 662 65 8 Aug 2022 52nd Betuaredead 652 66 4 Jan 2023 52nd hossammohammed72 652 66 12 Jul 2023 54th dokutan 642 67 15 Jun 2024 54th Kokusui 🇯🇵 642 67 26 Jul 2024 56th aschui 632 68 5 Nov 2018 56th lightbliss 632 68 4 Sep 2019 56th akira-aizawa 🇯🇵 632 68 27 Dec 2021 56th ArtemBrovko 632 68 15 Jul 2023 60th volktron 623 69 1 Jun 2019 61st astdefu 614 70 13 Dec 2022 62nd ConnorHowell 597 72 21 Mar 2018 62nd MikeSimpson 597 72 16 Oct 2018 62nd stadamdoki 597 72 23 Mar 2021 62nd infostreams 597 72 12 Jul 2023 66th Neofox 589 73 21 Nov 2017 67th retrohun 581 74 21 Dec 2018 67th kchapelier 581 74 27 Apr 2020 67th oddvalue 581 74 23 Aug 2022 67th rifatx 581 74 16 Jul 2024 71st zelenovas 🇷🇺 573 75 10 Feb 2023 71st Florian-Mt 573 75 9 Jul 2024 71st eclyptox 573 75 11 Oct 2024 74th rwellens 566 76 3 Jan 2018 74th JRaspass 🇬🇧 566 76 12 Feb 2018 1–75 of 133 Next