The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Prime Numbers in all languages in bytes. 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 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 231st radarek 🇵🇱 961 31 38ms 13 May 2022 231st stefangimmillaro 961 31 39ms 14 Nov 2022 231st Steffan153 🇫🇮 961 31 34ms 14 Jan 2023 231st DialFrost 🇸🇬 961 31 34ms 8 Feb 2023 231st sean-niemann 🇺🇸 961 31 50ms 12 Feb 2023 231st m-tkach 🇺🇦 961 31 36ms 3 Jun 2023 231st ovs-code 🇩🇪 961 31 41ms 22 Oct 2023 231st Betuaredead 961 31 32ms 13 Nov 2023 231st Yewzir 🇧🇪 961 31 31ms 7 Dec 2023 231st pardouin 🇫🇷 961 31 37ms 20 Aug 2024 231st plcc0 961 31 53ms 24 Mar 2025 231st fuzzylojik-golf 🇺🇸 961 31 42ms 7 Jul 2025 231st CaedenHarper 🇨🇦 961 31 36ms 31 Aug 2025 254th GrayJoKing 🇦🇺 960 17 69ms 13 Sep 2023 254th DialFrost 🇸🇬 960 17 61ms 13 Sep 2023 254th chunes3 🇺🇸 960 17 70ms 13 Sep 2023 254th sisyphus-ppcg 🇦🇺 960 17 71ms 13 Sep 2023 254th Bubbler-4 960 17 65ms 13 Sep 2023 254th 4hg 🇺🇸 960 17 67ms 13 Sep 2023 254th Lydxn 🇨🇦 960 17 73ms 13 Sep 2023 254th ovs-code 🇩🇪 960 17 70ms 13 Sep 2023 254th gifti258 960 17 70ms 13 Sep 2023 254th Kacarott 🇦🇺 960 17 69ms 13 Sep 2023 254th Steffan153 🇫🇮 960 17 69ms 13 Sep 2023 254th Shanethegamer 🇺🇸 960 17 71ms 14 Sep 2023 254th primo-ppcg 🇹🇭 960 17 70ms 14 Sep 2023 254th GolfingSuccess 🇬🇷 960 17 71ms 20 Sep 2023 254th Yewzir 🇧🇪 960 17 69ms 21 Sep 2023 254th Natanaelel 🇸🇪 960 17 70ms 24 Sep 2023 254th MeWhenI 🇻🇦 960 17 69ms 2 Nov 2023 254th Betuaredead 960 17 65ms 11 Nov 2023 254th error256 960 17 66ms 5 May 2024 254th dokutan 960 17 65ms 7 May 2024 254th pardouin 🇫🇷 960 17 64ms 22 Aug 2024 254th edsrzf 🇳🇿 960 17 64ms 24 Sep 2024 254th sean-niemann 🇺🇸 960 17 64ms 7 Apr 2025 254th fuzzylojik-golf 🇺🇸 960 17 67ms 28 Aug 2025 254th snoozingnewt 🇨🇦 960 17 84ms 5 Oct 2025 254th JayXon 🇺🇸 960 17 63ms 2 Nov 2025 280th JayXon 🇺🇸 960 52 2ms 24 Nov 2021 280th Lydxn 🇨🇦 960 52 37ms 24 Nov 2021 280th HPWiz 🇳🇿 960 52 37ms 24 Nov 2021 280th rhdqor213 960 52 2ms 12 Oct 2023 280th KasperKivimaeki 🇫🇮 960 52 2ms 21 Oct 2024 285th edre 957 41 15ms 12 Jul 2018 285th tjtnorton 957 41 15ms 4 Dec 2018 285th inventshah 957 41 9ms 15 Apr 2021 285th RDShah 957 41 9ms 15 Apr 2021 285th Irratix 🇳🇱 957 41 9ms 25 Apr 2022 285th jared-hughes 957 41 9ms 6 Jul 2022 285th prestonfu 957 41 9ms 7 Jul 2022 285th jhu04 957 41 9ms 7 Jul 2022 285th Nicronmil 957 41 15ms 11 Nov 2022 285th QuincyNash 🇺🇸 957 41 9ms 28 Nov 2022 285th MeWhenI 🇻🇦 957 41 9ms 18 Feb 2023 285th quimey 957 41 9ms 22 Jun 2023 285th falsidge 957 41 11ms 24 Jun 2023 285th namelessiw 957 41 9ms 3 Dec 2023 285th bizy-coder 957 41 9ms 2 Jan 2024 285th minhtrancccp 957 41 9ms 10 Jan 2024 285th Bmrl7 957 41 9ms 24 Feb 2024 285th sultan 957 41 9ms 2 Apr 2024 285th codingisgreatbutiamnot 957 41 9ms 14 Jul 2024 285th jatloe 957 41 11ms 24 Aug 2024 285th duckyluuk 🇳🇱 957 41 9ms 31 Aug 2024 285th Lv0Sys 🇵🇱 957 41 9ms 3 Jun 2025 285th dirckvdende 957 41 9ms 24 Jul 2025 285th albanian-laundromat 957 41 9ms 25 Jul 2025 285th blaztoma 🇱🇹 957 41 10ms 10 Nov 2025 285th hellopir2 957 41 9ms 23 Nov 2025 285th IshanPanpaliya 957 41 9ms 20 days ago 285th snoozingnewt 🇨🇦 957 41 12ms 15 days ago 313th prplz 🇦🇺 955 28 244ms 22 Jan 2021 313th btnlq 955 28 237ms 22 Jan 2021 313th sisyphus-ppcg 🇦🇺 955 28 264ms 2 Jun 2021 313th JayXon 🇺🇸 955 28 221ms 12 Jul 2021 313th Lydxn 🇨🇦 955 28 234ms 17 Nov 2021 313th MeWhenI 🇻🇦 955 28 233ms 31 Mar 2024 313th bitsandbeyond 🇳🇱 955 28 233ms 14 May 2024 320th primo-ppcg 🇹🇭 952 28 2ms 1 Jul 2018 First Prev 241–320 of 5,348 Next Last
