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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 #1100000009080307044 2,022 digits created 2026-08-13

Value

190873701751355509302946416756434192463386099386859372369934347433526641245223727394840623766109694359395023408627663054341636859198237621295944862859172361963495505483863631932210567829017939734787552402641818543714708176096891085506542430574832217771992310596821925574457224341648977381033001426827734933794352683862729103105056491384494140330482028478721142873851881237868406174927947920566552935109789669701606644245043895758988333250719291938874678199574215698561103598596535152120177024585605924367783313604957741081812827285016248336518157170734766782628296312082650420046943463184811268290540030377813113334323849344420420690617473291791102865613156813112117770354521469198511399745299276979329739290691175146132146220549446517371273390687823964743662733166002730350742380447170890717435481926016454075472140426566360404109974236512148697450013486171025066114386372744433630134118950317473847886563589029172993310851931537505819645949845250568226745099391606984048431899295231723094809475308189662101899837494939166797565519887415629072344284999903307035406622487441927743786109657722438508138526377068053994171234526840172162669401494701192483475126962261660736329828110218380891763772309103510497361284741756254593821525081287487788876332192604498149126656130585456632569033016693975915497280075330383686926102803967603308808187806038116906931788155001768367203040860021028830730608235375149915958085821806061144884031223604937446331566049175168713187097764520938224339168251435278779419207401143447627777796161433608258706119747367353748724042864992284450136223379945608577487987056737386543703253987117398391668178918186445729179382932412134812989931632729667327303382423349870212742128754990394833920813806404236217330000834168417575499565885660684592032566629630408958651053743644891875581992116270950500202532564692854700108384548055395237038391856436044450655290333038704468859993026230071441491225105570106811416642794247998348965942663563821400175315932383282162380002451950110344241357300926992183504479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 2,059-digit prime (165 intermediate primes).

Certified number2,059-digit prime
Certificatedownload
Certificate chainshow step 4 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080307044 --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":1100000009080307044},"decimal":true,"detail":2}}'