Prime Numbers in all languages in bytes. 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 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 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 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 Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 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 Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 597th Steffan153 🇫🇮 918 46 10ms 30 Oct 2022 597th Yewzir 🇧🇪 918 46 10ms 11 Apr 2024 597th ovs-code 🇩🇪 918 46 9ms 29 Jun 2024 597th sean-niemann 🇺🇸 918 46 10ms 6 Apr 2025 605th yokasuretsu 917 12 35ms 8 Nov 2018 605th diddily 917 12 34ms 30 Oct 2019 605th BBoehm 🇩🇪 917 12 36ms 29 Dec 2020 605th Toanuvo 917 12 35ms 20 Jan 2022 605th saltysylvi 917 12 34ms 11 Oct 2022 605th aksyristos 917 12 35ms 26 Feb 2023 605th jhonw 917 12 39ms 22 Sep 2023 605th alphafalfa 917 12 2ms 15 Jul 2024 605th plcc0 917 12 34ms 8 May 2025 614th sisyphus-ppcg 🇦🇺 917 29 8ms 12 Aug 2024 614th btnlq 917 29 8ms 14 Aug 2024 614th DialFrost 🇸🇬 917 29 9ms 17 Aug 2024 614th ovs-code 🇩🇪 917 29 9ms 17 Aug 2024 614th Steffan153 🇫🇮 917 29 8ms 17 Aug 2024 614th emgordon154 917 29 8ms 18 Sep 2024 614th sean-niemann 🇺🇸 917 29 9ms 29 Dec 2024 621st primo-ppcg 🇹🇭 916 34 15ms 6 May 2022 621st HPWiz 🇳🇿 916 34 13ms 6 May 2022 623rd Steffan153 🇫🇮 916 35 3ms 16 Apr 2023 623rd Shanethegamer 🇺🇸 916 35 3ms 17 Apr 2023 623rd Lydxn 🇨🇦 916 35 3ms 18 Apr 2023 623rd AlephSquirrel 916 35 4ms 20 Apr 2023 623rd primo-ppcg 🇹🇭 916 35 4ms 27 Apr 2023 623rd MeWhenI 🇻🇦 916 35 3ms 23 May 2023 623rd GrayJoKing 🇦🇺 916 35 3ms 15 Aug 2023 623rd btnlq 916 35 3ms 21 Oct 2023 623rd Yewzir 🇧🇪 916 35 3ms 28 Oct 2023 623rd Betuaredead 916 35 3ms 12 Nov 2023 623rd edsrzf 🇳🇿 916 35 4ms 1 Nov 2024 623rd emgordon154 916 35 3ms 22 Dec 2024 623rd sean-niemann 🇺🇸 916 35 3ms 26 Apr 2025 623rd kg583 🇺🇸 916 35 3ms 25 Sep 2025 637th primo-ppcg 🇹🇭 916 48 1,310ms 28 May 2021 637th Lydxn 🇨🇦 916 48 1,344ms 25 Oct 2021 639th kg583 🇺🇸 916 53 6ms 8 Oct 2025 640th canissimia 🇦🇶 916 134 1ms 14 Jul 2021 641st nwellnhof 🇩🇪 915 64 317ms 21 Dec 2021 641st btnlq 915 64 338ms 10 Mar 2023 641st AdrienHache 🇫🇷 915 64 395ms 31 May 2023 641st MeWhenI 🇻🇦 915 64 324ms 26 Jul 2023 641st sean-niemann 🇺🇸 915 64 344ms 23 Dec 2024 641st WalrusesAreAwesome 915 64 359ms 11 Jan 2025 641st prplz 🇦🇺 915 64 334ms 23 Jan 2025 641st Yax42 🇫🇷 915 64 338ms 1 Aug 2025 649th saito-ta 🇯🇵 914 41 4ms 19 May 2023 650th HPWiz 🇳🇿 913 31 489ms 10 May 2023 650th ovs-code 🇩🇪 913 31 499ms 24 Oct 2023 650th Codsilla 🇨🇦 913 31 497ms 31 Oct 2023 650th DialFrost 🇸🇬 913 31 525ms 5 Jan 2024 650th Steffan153 🇫🇮 913 31 512ms 17 Aug 2024 650th sean-niemann 🇺🇸 913 31 546ms 13 Mar 2025 656th AdrienHache 🇫🇷 913 40 52ms 17 Oct 2024 657th Lydxn 🇨🇦 913 42 81ms 15 May 2022 657th GrayJoKing 🇦🇺 913 42 77ms 16 May 2022 657th Steffan153 🇫🇮 913 42 85ms 10 Dec 2022 657th JayXon 🇺🇸 913 42 78ms 20 Mar 2023 657th Yewzir 🇧🇪 913 42 78ms 9 Nov 2023 657th Betuaredead 913 42 72ms 13 Nov 2023 657th pardouin 🇫🇷 913 42 73ms 3 Sep 2024 657th DialFrost 🇸🇬 913 42 67ms 14 Nov 2024 657th sean-niemann 🇺🇸 913 42 73ms 18 Apr 2025 657th albanian-laundromat 913 42 79ms 14 days ago 667th retrohun 913 43 15ms 5 Aug 2018 667th Attero 🇸🇪 913 43 9ms 15 May 2020 667th hashkitten 913 43 15ms 24 Sep 2020 667th urojony 🇵🇱 913 43 9ms 28 Dec 2020 667th 77Tigers 913 43 11ms 4 Mar 2021 667th jacklynnepenick 913 43 10ms 14 Aug 2021 667th annaproxy 913 43 9ms 7 Dec 2021 667th emplv 🇱🇻 913 43 9ms 14 Dec 2021 667th bob-th 913 43 9ms 5 Aug 2022 First Prev 601–675 of 5,294 Next Last