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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 #1100000009012490194 1,996 digits created 2026-07-28

Value

1737134653932141076970543719861857345909185996781386379439656793158145941760920562044360519186616525801527536823533407700048751528144685529560374380466089123961390837510637921576944052238197833603380371918647838515842995274723933590398148302971177379788776821101844786337125304769799563092657497068972829322866218922360934396903486374520143646169894883894756989000095522118724845748252810682022318799150667130619883499124600810349402674671186461450241388847481009696180674395617908514312021950999551184100022975975870976610349715707050403532889572722550488706726133530012437776072279980011234729037687290171426235517832038112204107616579469871355879572687092792430120523993759657358671746548362740595632900917649323906858048896159874864603753132623326808425273763535202172775844493560039275183673302507413086078785822257084416013941961825238823789695532174513857808311547240253422026589097709821717341616952717929643967106967027785145284995247608162515948951822173616239219202438819829716414761164962915316909311595270966487768869189616534129017866174800852403633890479283421794853551409572251923704907447879519778659452754677624384375498009949972376547218088927833575003426994392453305829088657866031447709057042294204593027944224591207437729891479624869572906912562944875777674468345913009496612980917861180232022851471830252355916166767021669623716923881608598743844333666596326170150608754702437033618687909935925928158849557656089297957281144627050460182694125659822894340398132169550985202442733596248127248245275942828169975733108945409950513064390757835393039287862826269556763247628745631967675056125523209516694729346070259690127838072090654676780354628083543721893245509008771825904100736883379446788844677563539675668916594773546801389583751695315016020900735453989468404976906829084967853910697443030077366523194481589857184063331971752359553171608896224975283852758137402912895358721476358619607984972051118819537351621712224187414636099708761205860352660491584308016840039769255557
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,692-digit prime (195 intermediate primes).

Certified number2,692-digit prime
Certificatedownload
Certificate chainshow step 50 of 195

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009012490194 --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":1100000009012490194},"decimal":true,"detail":2}}'