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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 #1100000008682860914 2,142 digits created 2026-03-13

Value

121499164189972343964809653595414422511492971604916188926326531723410702655749013655195809157951042435889817065096505371486426152662091979364330778364203344816874031722413360032573331487449463953926564419747096866009222191982463999071182288693342182361909599945039190318714700047854047949255296609923927082844703269739195792241683634247095434644706813979771558760964313777733596740928512215031165559303688164678261744401591157870947501094850668740670868095899205006618324155114185961296013827948609407309385776662858767537734882593748276562592915579354217183036569117679636579804097277103706798002884071868511371403981499099375116779106181708575582027553072232846811372531618213292175594283005204593813996102406255126131436333732506806386186169524144011181464372519599002071679696946868564214242482994122152180644051330207900111087926157397660065318767328227132785734230560134598837952732708751696743138676560482126641752071668886175209903989318972167984321134364812649028184777508464098615844232471249731611346115311975903497505029429202632369318328879304017225620244954600072804007473692471422139316199485039683094680530468418547001746062062992305918645402215951378909429645736995323993979431998933008850464921498243393722302446775825503505013676609806857720904604596564025412607446156866136702944152546011871760343641531892294835273141795522302143757848781977728856646121331402496478515926797001388936201854202054978233142020398429923589485586386390641274902024341218115505998535563607210015904783625380836768350007090554227020633763288258926498741800235316040483923057680364237715523722809316451356350136223202534309714058869315636118764096819109514715622510555982601110632025969496368967516582485789076042178808300534114373141661890355897724631282493142860259697007257470500526547731202717070533663034600030961565130091851055329404994213931676594136047982596745734672974730465175425639215155264444662951868919396771710312511000411816265171044510240023685969139995026237929994991715732158330152354097367362936620364098581782394089790380236365957561406595275373056099460578469056520122573287403552113043927143724429797746603614795956294939
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,949-digit prime (230 intermediate primes).

Certified number2,949-digit prime
Certificatedownload
Certificate chainshow step 67 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008682860914 --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":1100000008682860914},"decimal":true,"detail":2}}'