Prime Numbers in PHP in chars. 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 Chars Time Submitted 80th JRaspass 🇬🇧 566 76 4ms 12 Feb 2018 80th tomh1012 566 76 4ms 9 Oct 2020 80th Kees-van-Beilen 566 76 4ms 27 Aug 2021 80th iqbal-hossain-momox 566 76 4ms 13 Jul 2023 80th HumanoidCPU 566 76 8ms 18 May 2024 80th Mabeloid 🇳🇴 566 76 5ms 4 Oct 2024 80th jmerle 🇳🇱 566 76 6ms 10 Jan 2025 88th aminrnd 558 77 5ms 12 Jul 2023 89th d4rkne55 551 78 6ms 2 Mar 2018 89th mrdamien 551 78 5ms 28 Mar 2019 89th masashimachida 551 78 5ms 27 Jul 2020 92nd YPuest 544 79 5ms 22 Feb 2023 93rd miika 538 80 5ms 29 Mar 2019 93rd pbarath 538 80 5ms 13 Mar 2021 95th xnacly 🇩🇪 524 82 5ms 6 Jul 2023 95th msbranicky 524 82 4ms 8 Sep 2023 95th Jay2k1 524 82 5ms 6 Nov 2025 98th glickel 518 83 5ms 17 Aug 2018 99th ryguyNelson 512 84 5ms 19 Aug 2020 99th fuerst-ede 512 84 5ms 8 Jul 2022 101st vlhommeau 506 85 4ms 21 Nov 2017 102nd VVstatus 500 86 5ms 13 Aug 2020 102nd jusaka 500 86 4ms 3 days ago 104th rbicelli 494 87 5ms 6 Apr 2018 104th iTearo 🇷🇺 494 87 5ms 28 Sep 2020 104th StronkCheese 🇺🇸 494 87 4ms 21 Feb 2023 107th jessegyger 489 88 7ms 14 Jan 2022 107th piripasa 489 88 4ms 12 Jul 2023 109th mrigankpawagi 483 89 5ms 21 Jan 2018 109th seanplowman 483 89 4ms 19 Jul 2022 109th MaxElf999 483 89 5ms 28 Sep 2022 112th YoungjuneKwon 478 90 4ms 30 Dec 2018 112th Setvizan 478 90 5ms 19 May 2022 114th rholliday 473 91 5ms 1 Mar 2021 115th Onitech 462 93 5ms 14 Nov 2018 115th mammarellas 462 93 4ms 5 Jun 2019 115th givanov2 462 93 4ms 4 Sep 2020 118th akshatj27 🇦🇶 453 95 5ms 11 Jan 2022 119th iamdavidfrancis 430 100 6ms 10 May 2020 119th joll05 🇸🇪 430 100 4ms 24 Aug 2020 119th KatieLG 🇬🇧 430 100 6ms 2 Dec 2020 119th mokymok 🇺🇸 430 100 4ms 9 Nov 2021 119th KatieLG-Transpiler 🇬🇧 430 100 5ms 24 Jun 2022 124th acotis 426 101 4ms 18 Feb 2025 125th xplodwild 422 102 4ms 15 Apr 2020 126th soren 417 103 5ms 24 Aug 2018 126th mothcolada 🇺🇸 417 103 4ms 6 Dec 2020 128th WardySpirit 413 104 5ms 26 Aug 2020 129th elisherer 🇮🇱 398 108 5ms 26 Mar 2019 130th dwilmer 391 110 5ms 26 Feb 2018 131st vonKrafft 377 114 4ms 25 Mar 2020 131st ze-h 🇺🇸 377 114 4ms 26 Oct 2022 133rd genius257 361 119 5ms 26 Mar 2018 133rd recepuncu 361 119 5ms 28 Jun 2021 135th verticall 341 126 4ms 28 Jul 2019 136th HexF 333 129 5ms 7 Dec 2017 136th ElevatorShaft 333 129 5ms 20 Oct 2019 138th ansnaldo 287 150 5ms 23 Oct 2018 139th kevinnaviapaiva 281 153 4ms 6 Mar 2025 140th kittrz9 253 170 5ms 7 Dec 2017 141st seanleken 204 211 5ms 12 Dec 2019 142nd jackmck2000 108 398 5ms 8 Mar 2018 143rd jayanwar 88 489 5ms 28 Nov 2019 First Prev 81–143 of 143