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Prime Numbers in Java in chars. 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st JayXon 🇺🇸 1,000 66 546ms 24 Sep 2025 1st sean-niemann 🇺🇸 1,000 66 723ms 24 Sep 2025 1st namelessiw 1,000 66 509ms 4 Oct 2025 1st MeWhenI 🇻🇦 1,000 66 548ms 7 Nov 2025 1st Steffan153 🇫🇮 1,000 66 520ms 13 Feb 2026 6th nwellnhof 🇩🇪 943 70 515ms 25 Sep 2025 6th DialFrost 🇸🇬 943 70 481ms 13 Nov 2025 6th KasperKivimaeki 🇫🇮 943 70 528ms 2 Dec 2025 6th Lydxn 🇨🇦 943 70 488ms 14 Dec 2025 10th edsrzf 🇳🇿 930 71 626ms 24 Sep 2025 10th b-illy 🇬🇧 930 71 468ms 24 Sep 2025 10th voytxt 🇨🇿 930 71 513ms 25 Sep 2025 10th stefangimmillaro 930 71 468ms 6 Oct 2025 10th h3ra993huskp 🇯🇵 930 71 453ms 30 Nov 2025 10th ScottHamper 930 71 500ms 30 Nov 2025 10th fuzzylojik-golf 🇺🇸 930 71 457ms 23 Dec 2025 17th Shanethegamer 🇺🇸 868 76 501ms 25 Sep 2025 17th Yewzir 🇧🇪 868 76 518ms 2 Oct 2025 17th kmathis22 868 76 461ms 24 Oct 2025 17th Jacob385 868 76 496ms 27 Oct 2025 17th emgordon154 868 76 430ms 9 Feb 2026 22nd sultan 857 77 398ms 12 days ago 22nd scpchicken 🇵🇼 857 77 400ms 4 days ago 24th WildTooth 835 79 461ms 9 Oct 2025 25th piano-miles 825 80 463ms 24 Feb 2026 26th dokutan 795 83 537ms 24 Sep 2025 27th Liibe 776 85 394ms 25 Sep 2025 28th snoozingnewt 🇨🇦 767 86 472ms 5 Dec 2025 29th ethanlally 750 88 516ms 5 Nov 2025 30th CaedenHarper 🇨🇦 725 91 444ms 24 Sep 2025 31st Schmitt-Very-Cool 717 92 458ms 3 Oct 2025 32nd squid233 710 93 504ms 7 Nov 2025 32nd HumanoidCPU 710 93 519ms 8 Nov 2025 32nd Florian-Mt 710 93 482ms 28 Dec 2025 35th elgan65536 🇺🇸 680 97 489ms 19 Feb 2026 35th Jonson26 680 97 360ms 11 days ago 37th primo-ppcg 🇹🇭 641 103 439ms 24 Apr 2020 37th prplz 🇦🇺 641 103 432ms 18 Nov 2020 39th tomh1012 617 107 466ms 18 Mar 2026 40th Attero 🇸🇪 611 108 418ms 28 Apr 2020 40th KatieLG 🇬🇧 611 108 638ms 22 Oct 2021 40th Widgitty 611 108 414ms 18 Jul 2023 43rd Looney32768 600 110 405ms 27 Jan 2023 43rd jusaka 600 110 402ms 17 days ago 45th BBoehm 🇩🇪 595 111 411ms 29 Oct 2020 45th helbling 🇨🇭 595 111 410ms 11 Mar 2024 47th Nathan-Masala 589 112 405ms 20 days ago 48th janbehrens 🇩🇪 584 113 397ms 3 Sep 2020 48th KrausRaus 🇺🇸 584 113 415ms 22 Mar 2021 48th neihousaigaai 584 113 391ms 6 Apr 2021 48th inventshah 584 113 416ms 20 Apr 2021 48th Irratix 🇳🇱 584 113 404ms 7 Dec 2021 48th Betuaredead 584 113 408ms 14 Nov 2023 48th SirBogman 🇺🇸 584 113 431ms 3 Jan 2024 48th yoshykai 584 113 438ms 30 Mar 2025 48th eMGeeneer 584 113 489ms 20 Sep 2025 57th madeforlosers 579 114 429ms 5 Jan 2024 58th cbrt-x 564 117 410ms 29 Aug 2021 58th Leftykap 564 117 417ms 14 Sep 2022 58th FlorianCassayre 🇫🇷 564 117 550ms 28 Sep 2022 61st Rhinozz 🇨🇦 559 118 403ms 12 Aug 2021 62nd lukehewittvandy 555 119 396ms 19 Jul 2022 63rd shellbertt 🇨🇦 550 120 415ms 26 Dec 2021 64th jjstreet 545 121 402ms 30 Apr 2020 65th Antonio-Vel 541 122 400ms 20 Aug 2022 65th mathb0y512 541 122 382ms 14 Nov 2022 67th konst-aa 537 123 394ms 11 Aug 2022 68th bwat2 532 124 383ms 21 Apr 2022 68th CarsonChr 🇺🇸 532 124 400ms 26 Jul 2024 70th coltraloz 🇪🇸 528 125 394ms 6 Mar 2025 71st ricehens 524 126 437ms 26 Nov 2021 71st Carloz69 524 126 422ms 3 Dec 2021 73rd bac0id 520 127 414ms 26 Sep 2023 74th Re-Adventures 🇮🇳 516 128 402ms 17 Mar 2021 75th richard-oelze 🇩🇪 512 129 429ms 1 May 2021 76th Luca2812 508 130 425ms 30 Dec 2021 76th lorenzosim 508 130 422ms 5 Aug 2022 76th cnelson20 508 130 518ms 8 Aug 2022 76th GWStuart 508 130 406ms 1 Jul 2024 80th tkr-sh 🇰🇵 504 131 426ms 4 May 2022 80th lordsnek 504 131 411ms 26 Jan 2024 82nd caynraiser 500 132 397ms 8 Dec 2021 83rd Kusarr 496 133 424ms 17 Dec 2020 83rd Bolix7 496 133 412ms 23 May 2021 83rd astdefu 496 133 432ms 13 Dec 2022 83rd gigaprofisi 🇺🇸 496 133 369ms 7 Mar 2025 87th eecb 493 134 486ms 24 Nov 2020 87th riviere-lucas 493 134 422ms 30 Dec 2020 87th louisbosqui 493 134 413ms 31 Dec 2020 87th selketdaly 493 134 412ms 30 Jan 2021 87th Bombergames 493 134 393ms 20 Jan 2022 87th msbranicky 493 134 393ms 9 Jan 2024 87th schaene 493 134 441ms 7 Mar 2024 87th deancureton 493 134 405ms 24 Mar 2024 95th AIn0n 489 135 411ms 30 Aug 2021 95th rollershutter 489 135 416ms 25 Jan 2024 95th 0dyse 489 135 408ms 23 Apr 2025 95th Benzas01 489 135 406ms 5 Oct 2025 99th blasio99 485 136 422ms 17 Jun 2021 100th xnacly 🇩🇪 482 137 415ms 3 Jul 2023 1–100 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