Prime Numbers in Java in chars. 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 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 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 Chars Time Submitted 1st JayXon 🇺🇸 1,000 66 364ms 24 Sep 2025 1st sean-niemann 🇺🇸 1,000 66 405ms 24 Sep 2025 1st namelessiw 1,000 66 405ms 4 Oct 2025 4th nwellnhof 🇩🇪 943 70 434ms 25 Sep 2025 5th DialFrost 🇸🇬 930 71 561ms 24 Sep 2025 5th edsrzf 🇳🇿 930 71 499ms 24 Sep 2025 5th b-illy 🇬🇧 930 71 383ms 24 Sep 2025 5th voytxt 🇨🇿 930 71 496ms 25 Sep 2025 5th stefangimmillaro 930 71 358ms 6 Oct 2025 10th Shanethegamer 🇺🇸 868 76 491ms 25 Sep 2025 10th Yewzir 🇧🇪 868 76 408ms 2 Oct 2025 10th kmathis22 868 76 342ms 13 days ago 10th Jacob385 868 76 346ms 9 days ago 14th WildTooth 835 79 400ms 9 Oct 2025 15th dokutan 795 83 484ms 24 Sep 2025 16th Liibe 776 85 341ms 25 Sep 2025 17th ethanlally 750 88 323ms 24 hours ago 18th CaedenHarper 🇨🇦 725 91 379ms 24 Sep 2025 19th Schmitt-Very-Cool 717 92 471ms 3 Oct 2025 20th snoozingnewt 🇺🇸 710 93 356ms 28 Sep 2025 21st primo-ppcg 🇹🇭 641 103 437ms 24 Apr 2020 21st prplz 🇦🇺 641 103 371ms 18 Nov 2020 21st Lydxn 🇨🇦 641 103 420ms 12 Jul 2021 21st MeWhenI 🇻🇦 641 103 338ms 31 Dec 2021 21st Steffan153 🇫🇮 641 103 450ms 9 Aug 2024 26th ScottHamper 635 104 330ms 28 May 2021 27th Attero 🇸🇪 611 108 393ms 28 Apr 2020 27th KatieLG 🇬🇧 611 108 308ms 22 Oct 2021 27th Widgitty 611 108 323ms 18 Jul 2023 27th h3ra993huskp 🇯🇵 611 108 345ms 19 Jan 2025 31st Looney32768 600 110 357ms 27 Jan 2023 32nd BBoehm 🇩🇪 595 111 405ms 29 Oct 2020 32nd helbling 🇨🇭 595 111 385ms 11 Mar 2024 34th janbehrens 🇩🇪 584 113 329ms 3 Sep 2020 34th KrausRaus 🇺🇸 584 113 444ms 22 Mar 2021 34th neihousaigaai 584 113 314ms 6 Apr 2021 34th inventshah 584 113 334ms 20 Apr 2021 34th Irratix 🇳🇱 584 113 314ms 7 Dec 2021 34th Betuaredead 584 113 345ms 14 Nov 2023 34th SirBogman 🇺🇸 584 113 407ms 3 Jan 2024 34th yoshykai 584 113 564ms 30 Mar 2025 34th eMGeeneer 584 113 431ms 20 Sep 2025 43rd madeforlosers 579 114 403ms 5 Jan 2024 43rd sultan 579 114 428ms 27 Mar 2024 45th cbrt-x 564 117 382ms 29 Aug 2021 45th Leftykap 564 117 311ms 14 Sep 2022 45th FlorianCassayre 🇫🇷 564 117 405ms 28 Sep 2022 45th piano-miles 564 117 347ms 7 Feb 2023 49th Rhinozz 🇨🇦 559 118 400ms 12 Aug 2021 50th lukehewittvandy 555 119 416ms 19 Jul 2022 51st shellbertt 🇨🇦 550 120 332ms 26 Dec 2021 52nd jjstreet 545 121 368ms 30 Apr 2020 53rd Antonio-Vel 541 122 378ms 20 Aug 2022 53rd mathb0y512 541 122 305ms 14 Nov 2022 55th konst-aa 537 123 372ms 11 Aug 2022 56th bwat2 532 124 328ms 21 Apr 2022 56th CarsonChr 🇺🇸 532 124 328ms 26 Jul 2024 58th coltraloz 🇪🇸 528 125 372ms 6 Mar 2025 59th ricehens 524 126 358ms 26 Nov 2021 59th Carloz69 524 126 441ms 3 Dec 2021 61st bac0id 520 127 399ms 26 Sep 2023 62nd Re-Adventures 🇮🇳 516 128 350ms 17 Mar 2021 63rd richard-oelze 🇩🇪 512 129 321ms 1 May 2021 64th tomh1012 508 130 330ms 9 Oct 2020 64th Luca2812 508 130 326ms 30 Dec 2021 64th lorenzosim 508 130 327ms 5 Aug 2022 64th cnelson20 508 130 315ms 8 Aug 2022 64th squid233 508 130 305ms 3 Oct 2023 64th HumanoidCPU 508 130 324ms 1 Apr 2024 64th GWStuart 508 130 317ms 1 Jul 2024 71st tkr-sh 🇰🇵 504 131 372ms 4 May 2022 71st lordsnek 504 131 340ms 26 Jan 2024 73rd caynraiser 500 132 387ms 8 Dec 2021 74th Kusarr 496 133 362ms 17 Dec 2020 74th Bolix7 496 133 323ms 23 May 2021 1–75 of 168 Next Last