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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 #1100000009084007826 1,468 digits created 2026-08-14

Value

4043248929147610096793695579691743131607720272349804858743255717427877549840451439764107620883412642024241615201525819999964861098396005468599264532024256733614487831729598649557392087412790398029844362841200130572327205224105678863474405302359272104720741816561629509822247841628535053063766073765265125900180585912322608512005445611390813307982039407035839327850217146783733100947996273705850080418237923734633422326368770841327190840110789931285726404782086399076740266172601866760330144809140794202885385533331823731439369481176613232687116473338641861450454626288940730550397441090642810616954365045529060916299266134280284190178614175221805665591968944481538593481051988582111961239393864277917261393863304102589893122597493016570421146880204948035078673271574368968920440818922141061585720669317751413397203271440358948203439751068252574230988984623653824937892697512298333490034405859904782211832027496727022578858554500621564191331007587038372898782720914969259659021797310215495297605379929636618681140937281802695983100555509489818111255943411740009111548173429104086451431079166298516167665044424926370976090319818278011045896398442646082159753909432606004501374400733502658995029285650278771060885517186108403214999160835952339645940396146579237328747495161824587395843333180389257358971859076929980950575919826314953305700584875904188618173495549945935915105367019062133255749288915850619093531473656586506894247435281071696706842114209505386957614878049
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 38 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007826 --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":1100000009084007826},"decimal":true,"detail":2}}'