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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 #1100000009080761463 1,923 digits created 2026-08-13

Value

928854176357135417121819419335522034540440091795649470090364461386033963164623678985644736971830274879225192035141626914832542053060900324926294781519093220210922525733780223002588453510391233733432126112285960429583197954869278375325647729924953111278057194373587015319007380391642443312764871776753303281064951987078252179239946044740795297754799845015945783582830021057675910795603029225466256243595028642486100316278600846508996829281915230771735429398780465186299343246678219249246684544283344854842060934360511962218213376957574333147547518675563054879104171196766500168024022658187117701406177484930645895506310188908349769236547340681569706196624621681428453994291582073108413553796414446362212571976487494158147561035792441189930943852905034347591186612767564340549811707961624468950263948127612301607785578318913071529238993696012415782618473222622335750340644988588387638045532339577189049825583083865970382782945549947370657627514672252523561409866060468318639057332895791269173622223446534557809645317069768731397797006648948169700128884096563556684755381683409855323732594390099484717284936942112175129037765806356645869416037985413394499785033808591385291940156241765438997518899180719148971389658054789312360828757583050754331048790480072539322746176889667252160733880587522251199926025731492180124927892656189806606182915784852623569165628472400452708940424145653065458591380190752497814691591897764301658800818841137656134442939946869675508565735719952065507010300650623074075942576268240270397164383308887084060974250553515344454081823147285804028861168294834656753948629382745679321002416713495624917476316328072514909522703862461533679778952218285860840476788047965186855665707491270976536379656182127841574589047205351223293517495511967299575381802225382367266310053771973098588128867396510280690564217940974001432838203171553403024114965114810801292887147046156056695811401727747040848546359061469129
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 19 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761463 --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":1100000009080761463},"decimal":true,"detail":2}}'