The Calendar hole will go live in approximately 13 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 561st ian-h-chamberlain 🇺🇸 927 62 117ms 27 Jun 2022 561st andersk 🇺🇸 927 62 123ms 25 Oct 2022 561st xnor-gate 927 62 116ms 30 Oct 2022 561st CornerMercury 🇬🇧 927 62 119ms 2 Aug 2023 561st ovs-code 🇩🇪 927 62 122ms 27 Nov 2023 566th solmyr2000 927 74 54ms 21 Jun 2022 566th 09cf 927 74 4,994ms 22 Nov 2023 568th Lydxn 🇨🇦 925 50 82ms 19 Dec 2021 568th JayXon 🇺🇸 925 50 80ms 19 Dec 2021 568th MeWhenI 🇻🇦 925 50 82ms 7 Mar 2023 568th stefangimmillaro 925 50 84ms 8 Mar 2023 568th fuzzylojik-golf 🇺🇸 925 50 100ms 1 Aug 2025 573rd primo-ppcg 🇹🇭 925 54 1ms 10 Oct 2020 573rd nai62 925 54 6ms 29 Aug 2022 573rd sisyphus-ppcg 🇦🇺 925 54 2ms 22 Nov 2022 573rd inventshah 925 54 2ms 22 Dec 2022 573rd ovs-code 🇩🇪 925 54 2ms 22 Aug 2023 573rd ListeriaM 925 54 2ms 23 Aug 2023 573rd m-tkach 🇺🇦 925 54 1ms 12 Oct 2023 573rd JohandeRuiter 🇳🇱 925 54 4,993ms 2 Dec 2023 581st j55d 921 38 9ms 20 Sep 2018 581st ondras 921 38 9ms 3 May 2020 581st MeWhenI 🇻🇦 921 38 9ms 20 Aug 2021 581st itsh01 921 38 8ms 6 Dec 2021 581st tayloia 🇬🇧 921 38 8ms 16 May 2023 581st Davr1 🇨🇿 921 38 9ms 16 Oct 2023 581st Protothor 921 38 8ms 7 Jun 2025 588th SirBogman 🇺🇸 920 22 127ms 31 May 2022 589th primo-ppcg 🇹🇭 920 39 2ms 9 Nov 2022 589th Lydxn 🇨🇦 920 39 2ms 27 Feb 2023 591st thospel 919 29 2ms 26 Mar 2018 591st o0lit3 🇺🇸 919 29 2ms 18 Dec 2020 593rd prplz 🇦🇺 919 48 123ms 15 Oct 2020 593rd primo-ppcg 🇹🇭 919 48 120ms 18 Dec 2020 593rd Lydxn 🇨🇦 919 48 122ms 12 Jan 2021 593rd sisyphus-ppcg 🇦🇺 919 48 121ms 29 May 2021 593rd JayXon 🇺🇸 919 48 133ms 12 Jul 2021 593rd MeWhenI 🇻🇦 919 48 120ms 18 Aug 2021 593rd GrayJoKing 🇦🇺 919 48 141ms 5 Dec 2021 593rd MichalMarsalek 🇨🇿 919 48 120ms 12 Sep 2022 593rd Yewzir 🇧🇪 919 48 119ms 17 May 2023 593rd stefangimmillaro 919 48 127ms 4 Aug 2023 593rd sean-niemann 🇺🇸 919 48 121ms 4 Aug 2023 593rd Betuaredead 919 48 126ms 12 Nov 2023 593rd dokutan 919 48 137ms 16 Mar 2024 593rd pardouin 🇫🇷 919 48 122ms 6 Oct 2024 593rd edsrzf 🇳🇿 919 48 121ms 26 Jul 2025 593rd fuzzylojik-golf 🇺🇸 919 48 121ms 31 Aug 2025 609th Lydxn 🇨🇦 918 46 8ms 15 Nov 2021 609th lynn 918 46 9ms 15 Nov 2021 609th btnlq 918 46 8ms 15 Nov 2021 609th GrayJoKing 🇦🇺 918 46 8ms 16 Nov 2021 609th Steffan153 🇫🇮 918 46 9ms 30 Oct 2022 609th Yewzir 🇧🇪 918 46 9ms 11 Apr 2024 609th ovs-code 🇩🇪 918 46 8ms 29 Jun 2024 609th sean-niemann 🇺🇸 918 46 9ms 6 Apr 2025 617th yokasuretsu 917 12 33ms 8 Nov 2018 617th diddily 917 12 34ms 30 Oct 2019 617th BBoehm 🇩🇪 917 12 36ms 29 Dec 2020 617th Toanuvo 917 12 34ms 20 Jan 2022 617th saltysylvi 917 12 34ms 11 Oct 2022 617th aksyristos 917 12 35ms 26 Feb 2023 617th jhonw 917 12 35ms 22 Sep 2023 617th alphafalfa 917 12 2ms 15 Jul 2024 617th plcc0 917 12 34ms 8 May 2025 626th sisyphus-ppcg 🇦🇺 917 29 8ms 12 Aug 2024 626th btnlq 917 29 8ms 14 Aug 2024 626th DialFrost 🇸🇬 917 29 8ms 17 Aug 2024 626th ovs-code 🇩🇪 917 29 8ms 17 Aug 2024 626th Steffan153 🇫🇮 917 29 8ms 17 Aug 2024 626th emgordon154 917 29 8ms 18 Sep 2024 626th sean-niemann 🇺🇸 917 29 8ms 29 Dec 2024 633rd primo-ppcg 🇹🇭 916 34 14ms 6 May 2022 633rd HPWiz 🇳🇿 916 34 14ms 6 May 2022 635th Steffan153 🇫🇮 916 35 3ms 16 Apr 2023 635th Shanethegamer 🇺🇸 916 35 4ms 17 Apr 2023 635th Lydxn 🇨🇦 916 35 4ms 18 Apr 2023 635th AlephSquirrel 916 35 3ms 20 Apr 2023 635th primo-ppcg 🇹🇭 916 35 4ms 27 Apr 2023 635th MeWhenI 🇻🇦 916 35 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