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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 #1100000009080479825 1,912 digits created 2026-08-13

Value

5382388431929668082918612409926414766775122698168046617714168198951208124691103888660167422041757292164321368002392704048725897367164193032856494161686365507900245101531220308958929168975533772275171443045961614823572815336719813298398673336739177553541757888318290364030938137010310935756888392036525269884029703079323390232257925034355608029955757114984721232100937020258876050035105551692384504368898813679561280154215923668323365262196590572728517836514090153375487888100754270670889351812458267315960685670018120695056075886647195395949102556097744089359049716030468635276736218389128586675419817761049088111098847046403127773092341812495724066864574080305479503487491029191123722394521900097949257812715490689444994066841805694843060025133017656278351423371564266434570314137615197445399773361060650617292113630625923697880914266184240688980675861189516206785475011330279356670271662020976053571655367773575158891681713838163297280706993643203303260524458446708833491545452014605930749423212398154370954599683532467233728188014237554096069462867055349567266780939844960681433886285228755420759579630556006543864246045515014084395985324266118695403662562790771876289374805209135251024324637081313171332112262818643427549761362427175529688912435370004923771844370853594515204947182234802819322168333565825171851615365994741918921461885580840972200417247590848697867848591829365391916900640060955045268888132400749022542156374136459643061573403479966167537050042325889265754683102008413379196347373597023939045851852659853050207450976088124340623424756716110487785843754724219811274249303746752105732668288156271285696653264370687048549137165001155114262647840650238804211761811920319902858755980079812287614504825108893681506345383326858986641483441370583964534015816695674126742228841351789944745366949870764908054452647801621908129760666030053361652793351466888779541732040510257212716777387892404052667259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,062-digit prime (162 intermediate primes).

Certified number2,062-digit prime
Certificatedownload
Certificate chainshow step 15 of 162

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080479825 --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":1100000009080479825},"decimal":true,"detail":2}}'