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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 #1100000009074591067 1,986 digits created 2026-08-11

Value

118232082709863091956973535792413589504790255904613741126506024329386738818492163068469713303350366184640355490545977336270893220333112938298223368327974251505468364554585503363613245213716914203337208555766640472782013317472650644640996237185008434618071083678752699958796947352911915095971463022859066495039391417911379617638499721727743466207667340567817106182210328205464790336981989060362667730483695995635188169191357948319089967919551735724117998878293005674942546800818140306869020404645729731483914433295177396385084503567216128490884967149431868801269606095987729252265797710965845908936396732092331483641949774952901126472898975595025891295495187767157924586168330520581443038923185518954320569006745858471545558218475704341957783683953207676360715528751062008783279147920710187837610904679008504584185795880358188988292510266360708999384939019492664174644202400345401048728651217290051198359035843211807017419997833081387073624634589487101904968744450839672550986720775587234337644705818297111487458277297738530287822998417253750373453052262991187648728365469517774089268745734435759250358817525064997734544864152959439336006503032483657858976338981380456229136584488288529837116644195764218520796781339009838028597981261118161726761600385510212028097117287943269615518805163051588190942078983162754920561519426611292914361893813907877679749727814823496137370320389287148907260256509073962682986928567394341052467523903622963011383439250887889524876683483787690515897624639335505094257459656785794223391333835149546137708893359277393657346395520621922820798084952067965382099920708979437802324902629152075196661920202657727941526427592715757059095421993233833349052098666319597994399470324289432003002120855634255362992506846501648490965987264591812161484227239626631652002391918745860169130250924046355425834535521439178612603235684003147258464694050944638133913236241107735011427578985633812324744165497170208268393554189330639555909080611421878869050528376905416304542661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 2,010-digit prime (149 intermediate primes).

Certified number2,010-digit prime
Certificatedownload
Certificate chainshow step 4 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074591067 --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":1100000009074591067},"decimal":true,"detail":2}}'