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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 #1100000009062570595 2,205 digits created 2026-08-09

Value

264674156877548647994235960792235945238249487604030197681714901640652662854670787701691196512738121824048016433033557247228813805603544220814708929925965536747857015816925745605364078141598490508729365196105938299822240852281018154000375539481263717230334150159966992356321793456817558352256731150608671906660237518330413516144065748922752256558804318786640482136494764184813687751036728361099049797358208564626065762706158856914736826740879875422269119456962631077275308829558453321383039955570021682072495493148465159656257016641999823366510972096735223066493937916784876290202475228614117071371920569582612733400409296201745298024055060111533637171217994307366243585548972743738034735140368226301506282176467063987772624875588734618500804741086644795416079019201594502873678103752809656706942265323505824959529429186531997588022433151085137447913081711017094467157069936828437225221188021401483142690981639740451596769652322222338736512966550586883146190497971728478354348207200372164839963532509345800294184745018285207683493063531691125147877266972975711854343413058531605836571520930354471419693865777603090649993333963168311941162665111954390589362645863602146347543559092105775104952547498556775397918554758922770324329810679286481985302026007448970099844291150543000162789176082872477243938720983747088542897492588456780501830298403428874862782263884460546729661988431956121064066964342583430359074611724604785891148518169995474909977098724879790112336460582250440860636463226558055040543805409863311190173825672379764870844594830656917414351441225855047556311661140833293713062646133516938754030616695692074704264569472217168339602158561412247258043253822501766273723331802009577632382197217201095036158083737029512757151974355308999144958775290056754601554074475668396332957264037363939783149212887633273900939133074040578317608543593535034347620973480042029352266453221613365707874817226348757228455579400903681548295366419671392012790144091503327604958539173582098161323803226669800256411801799897949839214821254686412354405994626747766570679950171514277950154078734408848802036043053531774607352622070207977989431280580080043215815949136697690734704775012870711574767101243941922080924831923
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,621-digit prime (191 intermediate primes).

Certified number2,621-digit prime
Certificatedownload
Certificate chainshow step 28 of 191

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062570595 --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":1100000009062570595},"decimal":true,"detail":2}}'