The Calendar hole will go live in approximately 10 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 548th fuzzylojik-golf 🇺🇸 929 92 266ms 7 Aug 2025 562nd sisyphus-ppcg 🇦🇺 928 44 4ms 18 Dec 2020 563rd ian-h-chamberlain 🇺🇸 927 62 117ms 27 Jun 2022 563rd andersk 🇺🇸 927 62 123ms 25 Oct 2022 563rd xnor-gate 927 62 116ms 30 Oct 2022 563rd CornerMercury 🇬🇧 927 62 119ms 2 Aug 2023 563rd ovs-code 🇩🇪 927 62 122ms 27 Nov 2023 568th solmyr2000 927 74 54ms 21 Jun 2022 568th 09cf 927 74 4,994ms 22 Nov 2023 570th Lydxn 🇨🇦 925 50 82ms 19 Dec 2021 570th JayXon 🇺🇸 925 50 80ms 19 Dec 2021 570th MeWhenI 🇻🇦 925 50 82ms 7 Mar 2023 570th stefangimmillaro 925 50 84ms 8 Mar 2023 570th fuzzylojik-golf 🇺🇸 925 50 100ms 1 Aug 2025 575th primo-ppcg 🇹🇭 925 54 1ms 10 Oct 2020 575th nai62 925 54 6ms 29 Aug 2022 575th sisyphus-ppcg 🇦🇺 925 54 2ms 22 Nov 2022 575th inventshah 925 54 2ms 22 Dec 2022 575th ovs-code 🇩🇪 925 54 2ms 22 Aug 2023 575th ListeriaM 925 54 2ms 23 Aug 2023 575th m-tkach 🇺🇦 925 54 1ms 12 Oct 2023 575th JohandeRuiter 🇳🇱 925 54 4,993ms 2 Dec 2023 583rd j55d 921 38 9ms 20 Sep 2018 583rd ondras 921 38 9ms 3 May 2020 583rd MeWhenI 🇻🇦 921 38 9ms 20 Aug 2021 583rd itsh01 921 38 8ms 6 Dec 2021 583rd tayloia 🇬🇧 921 38 8ms 16 May 2023 583rd Davr1 🇨🇿 921 38 9ms 16 Oct 2023 583rd Protothor 921 38 8ms 7 Jun 2025 590th SirBogman 🇺🇸 920 22 127ms 31 May 2022 591st primo-ppcg 🇹🇭 920 39 2ms 9 Nov 2022 591st Lydxn 🇨🇦 920 39 2ms 27 Feb 2023 593rd thospel 919 29 2ms 26 Mar 2018 593rd o0lit3 🇺🇸 919 29 2ms 18 Dec 2020 595th prplz 🇦🇺 919 48 123ms 15 Oct 2020 595th primo-ppcg 🇹🇭 919 48 120ms 18 Dec 2020 595th Lydxn 🇨🇦 919 48 122ms 12 Jan 2021 595th sisyphus-ppcg 🇦🇺 919 48 121ms 29 May 2021 595th JayXon 🇺🇸 919 48 133ms 12 Jul 2021 595th MeWhenI 🇻🇦 919 48 120ms 18 Aug 2021 595th GrayJoKing 🇦🇺 919 48 141ms 5 Dec 2021 595th MichalMarsalek 🇨🇿 919 48 120ms 12 Sep 2022 595th Yewzir 🇧🇪 919 48 119ms 17 May 2023 595th stefangimmillaro 919 48 127ms 4 Aug 2023 595th sean-niemann 🇺🇸 919 48 121ms 4 Aug 2023 595th Betuaredead 919 48 126ms 12 Nov 2023 595th dokutan 919 48 137ms 16 Mar 2024 595th pardouin 🇫🇷 919 48 122ms 6 Oct 2024 595th edsrzf 🇳🇿 919 48 121ms 26 Jul 2025 595th fuzzylojik-golf 🇺🇸 919 48 121ms 31 Aug 2025 611th Lydxn 🇨🇦 918 46 8ms 15 Nov 2021 611th lynn 918 46 9ms 15 Nov 2021 611th btnlq 918 46 8ms 15 Nov 2021 611th GrayJoKing 🇦🇺 918 46 8ms 16 Nov 2021 611th Steffan153 🇫🇮 918 46 9ms 30 Oct 2022 611th Yewzir 🇧🇪 918 46 9ms 11 Apr 2024 611th ovs-code 🇩🇪 918 46 8ms 29 Jun 2024 611th sean-niemann 🇺🇸 918 46 9ms 6 Apr 2025 619th yokasuretsu 917 12 33ms 8 Nov 2018 619th diddily 917 12 34ms 30 Oct 2019 619th BBoehm 🇩🇪 917 12 36ms 29 Dec 2020 619th Toanuvo 917 12 34ms 20 Jan 2022 619th saltysylvi 917 12 34ms 11 Oct 2022 619th aksyristos 917 12 35ms 26 Feb 2023 619th jhonw 917 12 35ms 22 Sep 2023 619th alphafalfa 917 12 2ms 15 Jul 2024 619th plcc0 917 12 34ms 8 May 2025 628th sisyphus-ppcg 🇦🇺 917 29 8ms 12 Aug 2024 628th btnlq 917 29 8ms 14 Aug 2024 628th DialFrost 🇸🇬 917 29 8ms 17 Aug 2024 628th ovs-code 🇩🇪 917 29 8ms 17 Aug 2024 628th Steffan153 🇫🇮 917 29 8ms 17 Aug 2024 628th emgordon154 917 29 8ms 18 Sep 2024 628th sean-niemann 🇺🇸 917 29 8ms 29 Dec 2024 635th primo-ppcg 🇹🇭 916 34 14ms 6 May 2022 635th HPWiz 🇳🇿 916 34 14ms 6 May 2022 637th Steffan153 🇫🇮 916 35 3ms 16 Apr 2023 637th Shanethegamer 🇺🇸 916 35 4ms 17 Apr 2023 637th Lydxn 🇨🇦 916 35 4ms 18 Apr 2023 637th AlephSquirrel 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