The Calendar hole will go live in approximately 12 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 474th m-tkach 🇺🇦 933 38 440ms 21 Jan 2024 474th rucin93 🇵🇱 933 38 362ms 21 Jan 2024 474th GrayJoKing 🇦🇺 933 38 373ms 22 Jan 2024 474th xsot 🇸🇬 933 38 368ms 29 Jan 2024 474th Yewzir 🇧🇪 933 38 377ms 4 Feb 2024 474th lynn 933 38 417ms 17 Feb 2024 474th pardouin 🇫🇷 933 38 355ms 21 Jun 2024 474th b-illy 🇬🇧 933 38 355ms 7 Sep 2024 474th kg583 🇺🇸 933 38 358ms 16 Oct 2024 474th fuzzylojik-golf 🇺🇸 933 38 349ms 2 Jul 2025 474th CaedenHarper 🇨🇦 933 38 373ms 28 Aug 2025 474th Babafaba 933 38 362ms 5 Nov 2025 493rd Lydxn 🇨🇦 931 28 72ms 12 Dec 2022 493rd sisyphus-ppcg 🇦🇺 931 28 80ms 12 Dec 2022 493rd ovs-code 🇩🇪 931 28 76ms 12 Dec 2022 493rd Alessandro-Balconi 🇮🇹 931 28 73ms 26 Dec 2022 493rd Steffan153 🇫🇮 931 28 78ms 17 Aug 2024 493rd sean-niemann 🇺🇸 931 28 69ms 20 Jan 2025 493rd DialFrost 🇸🇬 931 28 69ms 19 Feb 2025 500th primo-ppcg 🇹🇭 931 31 929ms 24 Mar 2021 500th Lydxn 🇨🇦 931 31 952ms 12 Jul 2021 500th JayXon 🇺🇸 931 31 928ms 22 Dec 2021 500th pardouin 🇫🇷 931 31 935ms 8 Aug 2025 500th fuzzylojik-golf 🇺🇸 931 31 987ms 21 Aug 2025 505th tom-lord 931 32 36ms 8 Nov 2017 505th vonagam 931 32 36ms 8 Nov 2017 505th jaredcrystal 🇺🇸 931 32 46ms 27 Sep 2018 505th handisb 931 32 41ms 12 Sep 2019 505th n1LS 931 32 39ms 27 Sep 2019 505th SirBogman 🇺🇸 931 32 39ms 29 Nov 2019 505th flavono123 931 32 40ms 14 May 2020 505th antimon2 🇯🇵 931 32 36ms 29 Jun 2020 505th hiddicop 🇸🇪 931 32 40ms 29 Jan 2021 505th NewDefectus 🇮🇱 931 32 41ms 4 Feb 2021 505th anter69 🇭🇺 931 32 37ms 20 Feb 2021 505th prplz 🇦🇺 931 32 41ms 4 May 2021 505th Natanaelel 🇸🇪 931 32 59ms 7 May 2021 505th awnion 931 32 44ms 16 May 2021 505th UladzimirSukharukau 931 32 39ms 13 Sep 2021 505th MeWhenI 🇻🇦 931 32 52ms 4 Nov 2021 505th emgordon154 931 32 38ms 6 Dec 2021 505th akshatj27 🇦🇶 931 32 36ms 28 Dec 2021 505th nwellnhof 🇩🇪 931 32 41ms 14 Jan 2022 505th jmerle 🇳🇱 931 32 44ms 21 Jan 2022 505th Irratix 🇳🇱 931 32 34ms 15 Feb 2022 505th hrrs01 931 32 41ms 23 Feb 2022 505th janbehrens 🇩🇪 931 32 42ms 30 May 2022 505th 4hg 🇺🇸 931 32 37ms 11 Jul 2022 505th jared-hughes 931 32 35ms 10 Sep 2022 505th aksyristos 931 32 36ms 29 Jan 2023 505th fynnkroeger 931 32 43ms 15 Apr 2023 505th olleicua 🇺🇸 931 32 41ms 6 Jan 2024 505th wlaud9 931 32 37ms 6 Feb 2024 505th TFeld00 🇩🇰 931 32 39ms 3 Sep 2024 505th tatzyr 🇯🇵 931 32 62ms 17 Nov 2024 505th error256 931 32 58ms 12 Apr 2025 505th Lv0Sys 🇵🇱 931 32 50ms 3 Jun 2025 505th ejini6969 931 32 49ms 14 Jun 2025 505th csharpython 931 32 38ms 24 Jul 2025 505th vishal-mohanty 931 32 36ms 24 Aug 2025 505th snoozingnewt 🇨🇦 931 32 60ms 28 Sep 2025 505th blaztoma 🇱🇹 931 32 42ms 12 Oct 2025 543rd stefangimmillaro 930 63 390ms 12 Jun 2023 543rd namelessiw 930 63 378ms 9 Aug 2024 543rd fuzzylojik-golf 🇺🇸 930 63 384ms 31 Jul 2025 543rd AdrienHache 🇫🇷 930 63 392ms 12 days ago 547th JayXon 🇺🇸 929 92 287ms 29 Jan 2021 547th prplz 🇦🇺 929 92 269ms 11 Feb 2021 547th Lydxn 🇨🇦 929 92 312ms 24 Sep 2021 547th MeWhenI 🇻🇦 929 92 278ms 4 Nov 2021 547th Shanethegamer 🇺🇸 929 92 266ms 28 Dec 2021 547th nwellnhof 🇩🇪 929 92 273ms 28 Dec 2021 547th Steffan153 🇫🇮 929 92 275ms 17 Dec 2022 547th stefangimmillaro 929 92 267ms 12 Jun 2023 547th sean-niemann 🇺🇸 929 92 266ms 30 Aug 2023 547th Yewzir 🇧🇪 929 92 278ms 25 Oct 2023 547th Betuaredead 929 92 330ms 12 Nov 2023 547th edsrzf 🇳🇿 929 92 269ms 1 Nov 2024 547th emgordon154 929 92 262ms 17 Jan 2025 547th fuzzylojik-golf 🇺🇸 929 92 266ms 7 Aug 2025 First Prev 481–560 of 5,345 Next Last