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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 80th Bolix7 496 133 415ms 23 May 2021 80th astdefu 496 133 431ms 13 Dec 2022 80th gigaprofisi 🇺🇸 496 133 408ms 7 Mar 2025 84th eecb 493 134 418ms 24 Nov 2020 84th riviere-lucas 493 134 393ms 30 Dec 2020 84th louisbosqui 493 134 404ms 31 Dec 2020 84th selketdaly 493 134 400ms 30 Jan 2021 84th Bombergames 493 134 447ms 20 Jan 2022 84th msbranicky 493 134 405ms 9 Jan 2024 84th schaene 493 134 394ms 7 Mar 2024 84th deancureton 493 134 388ms 24 Mar 2024 92nd AIn0n 489 135 396ms 30 Aug 2021 92nd rollershutter 489 135 406ms 25 Jan 2024 92nd 0dyse 489 135 401ms 23 Apr 2025 92nd Benzas01 489 135 413ms 5 Oct 2025 96th blasio99 485 136 393ms 17 Jun 2021 97th xnacly 🇩🇪 482 137 391ms 3 Jul 2023 98th mattwho76 478 138 359ms 24 Apr 2020 98th hyvyys 478 138 394ms 21 Sep 2020 98th godraadam 478 138 380ms 16 Nov 2020 98th melisakmc 478 138 381ms 3 Nov 2021 98th Apataras 478 138 407ms 19 Jul 2025 103rd LeftPathLane 471 140 401ms 31 Oct 2022 104th daetz 468 141 431ms 8 Aug 2020 104th WilleyOhana 468 141 380ms 7 Oct 2020 104th fullerlee 468 141 393ms 30 Nov 2020 104th KatieLG-Transpiler 🇬🇧 468 141 384ms 23 Jun 2022 104th atazzam 🇺🇸 468 141 437ms 23 Jan 2025 104th Pyro569 468 141 429ms 7 May 2025 110th sfuhrm 465 142 408ms 17 Dec 2021 110th aneurin-h 465 142 391ms 24 Oct 2022 110th MaxElf999 465 142 384ms 5 Feb 2023 110th rifatx 465 142 396ms 16 Jul 2024 110th DihydrogenMonoxideH2O 465 142 388ms 11 Feb 2025 115th Maximizer02 462 143 382ms 11 Sep 2024 115th luca1339 462 143 387ms 22 Nov 2024 117th jonahwdean 458 144 406ms 28 May 2024 118th DeaneKane 455 145 404ms 22 Apr 2020 118th WillowBee7 455 145 401ms 14 Oct 2020 118th c0d3-4-F00d 🇩🇪 455 145 421ms 25 May 2021 118th Robi1718 455 145 404ms 2 Dec 2021 118th LyonsWasTaken 455 145 365ms 6 Dec 2023 123rd lukashert 452 146 423ms 7 Jun 2023 124th eshilo-draper 449 147 404ms 4 Sep 2022 124th Ythaenagor 449 147 378ms 5 Aug 2024 126th melikebuyruk 446 148 368ms 22 Mar 2021 127th aDwarfNamedUrist 440 150 393ms 27 Nov 2022 128th mathislife22 437 151 354ms 29 Aug 2024 129th willpiam 434 152 383ms 20 Oct 2023 130th KevXtroy 429 154 396ms 18 Aug 2020 131st EthanGrant1 426 155 395ms 13 Apr 2022 132nd 77Tigers 423 156 386ms 10 Mar 2021 132nd ToxicP1e 423 156 386ms 8 Nov 2022 134th mokymok 🇺🇸 420 157 386ms 9 Nov 2021 134th Intevel 🇩🇪 420 157 398ms 3 Jul 2023 136th PanNessMain 418 158 379ms 9 Mar 2025 137th ehulinsky 🇺🇸 415 159 371ms 14 Sep 2021 137th kjrookus 415 159 414ms 13 Apr 2022 139th lexigeib 413 160 398ms 17 Jul 2020 140th Bejofo 410 161 389ms 21 Jul 2021 141st Grrine 402 164 420ms 28 Jan 2025 142nd acotis 400 165 376ms 6 Feb 2025 143rd valgardg 🇮🇸 395 167 399ms 18 Aug 2021 143rd retrohun 395 167 394ms 28 Dec 2022 143rd Mabeloid 🇳🇴 395 167 405ms 4 Oct 2024 146th ferociouswonderfulgrasseater 393 168 380ms 13 Mar 2023 147th Geird 386 171 390ms 20 Feb 2023 147th jonah1068 386 171 439ms 15 Sep 2023 147th Calculations03 386 171 392ms 28 Jan 2025 150th ze-h 🇺🇸 382 173 392ms 4 Dec 2022 151st miabea73 377 175 590ms 1 Nov 2025 152nd Lou1013 369 179 374ms 7 Jun 2024 153rd crizin 🇰🇷 367 180 436ms 9 Sep 2023 154th reki2069 357 185 474ms 5 Oct 2021 155th kanjurer 355 186 397ms 26 Sep 2022 156th mjdargen 327 202 390ms 3 May 2023 157th nathan-maclinovsky 324 204 391ms 16 Sep 2022 158th yuchuehw 322 205 406ms 2 Jan 2024 159th iamdavidfrancis 317 208 408ms 10 May 2020 160th MiranDaniel 🇨🇿 293 225 458ms 31 Oct 2023 First Prev 81–160 of 172 Next Last