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 #1100000009065128203 2,409 digits created 2026-08-09

Value

264354591942911137006364827361937663086796873314593122326120330263084522672622950185736384847190944471213997077767838450072814442549124550003624163717296758174497890774715751376201900600834749926489579927597775873185658692159687183513359594781972020149594820812449374062811912947970569040314290466703372426052769576559798991921143482835472408274238815345260315823436235814904379974757385787818205996334646315836839628197116171070492200622101657661587993963748882733936431239004708071304350488432636922530939055143966273506363582754663245852153969799094332782455662501952842296302447051850413843108179621799320337795157342598410304545100425228208483923770803000051735922074051177358573853288042716963281973859182783798145861970982529736526376392380908359360006362982051097784945675832464498054477356298190589683054954625452395919082219301383086709477379484937158162623564323316225599494053796632698578842272576582867767465839897561298047949132515181455884569219899994772595367343199006935326311705780714909084790689092492913019475773163866788565555014173812642046474790886624940859266814936640675504187871058154799174193536546871366344246529439862755500785871333223029851265837386716423455077697504767398850731895685865381748018040039850887357845358307560165760277765317680262953215636720943649887957839542206621693521159792715330862353726755476083780254119405762553758970015292443444275961191630874443498420969553623404395517343075814430426185571875045680661210518793879829681548411699878942493008768018210116471663597827398889252448011879490542733234404274548555037877468970068246441205371769096187458728607390462117183697815769362142657048389704046314490882742925376093574583731244973276202786484390038026568744041359178050458903254247200899111193892497424945380260633819922516498662755397927812494237237100500602134758133083658489448184260505778722752678677221567609199668855074542065175599210384989111852422625516844252551789815119823054889037884800444157363006407699568964395046915391709631234215280646282856561047733773966730585675505705723653529407187521878512525258974171560957202546722448285289209191708280269578951573643571752370730265832246112101371877813726284602169411343673325784098273182725613247370764970857127167537410062508672445499410464111317514178241834420914895024094010954617019314452957273312878889247682613325207608995019107686414686883100371378043122576471581222838316725399623858943
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,485-digit prime (189 intermediate primes).

Certified number2,485-digit prime
Certificatedownload
Certificate chainshow step 9 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065128203 --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":1100000009065128203},"decimal":true,"detail":2}}'