factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008674977958 2,366 digits created 2026-03-09

Value

40711590397543868780957870757017684324346239223026031277884549360482979494760057956356811313186686099107092752053362892271891644306158964045898348650071504867479714049462965230790697641192066539521693863453836795795295161105188771781659357950980846901083217571558744904016840075092452027775590966948282439471973424190048659930677867874869479195591310211682978728383798274137882276341036300060325953543370059783312119984211524304076970610498725290538288713345738803192413103785127222381660713798535236517648839174717306575321917229464342308637544744557604531152317350268749790952444669532251198643560454370659521776050567089236324851061753864397094229148149831263953894988367387287277209717079470837039809166640269499798553216026467436758324517227256616560804922755735808995524442913831937947526920187768982275490531436134041014347907316782657448151840247021998138872671266830441580260635436431445012916944315988690282816379591083532317455843682295233478598852088251706279199329316985320656879982560813134434743531365289718521959151364253785822884678267422272882487218762806080060423212108673815243182975081001211480700564739140336067135816578027086293987315298859098649312298830577213800052663249140894717281199982561575120716663346052182456652109586707518068996226741793668493026206917509090925651421480919215513294232513548689669365495802286800918822855286907280137595362813378026035733481721870141459469964558667156872374733180514911406295562733771669823863574609018378936279072207712038350341398282397544149530122911744000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000639
term 640^843+639
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,366 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byAnonymous

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674977958 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008674977958},"decimal":true,"detail":2}}'