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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 #1100000009074874142 1,985 digits created 2026-08-11

Value

10538973004315188827596849326603799997737466893259726701810883484985876908738892231998898629106008547088014893940750814766601729703341336400136684249945706529447658099374468142735235040580327478609838910590472890840127155268211170805781151424757500146136208630315426615968613804659905214300835077889884142557568092623173226230869787548409652723993809222064253916085444881146998444208765996258926884142953513311811445277784270010506449601305875306106712829233606159011166628793209424340270370043310626507153365577855143590913283804837803747269771952633083254481224061897579404744728863101711344937387169197095418183522540835663666471509834063265426387135050290751532881941330098502873382065665268207078199388977294701139425378940277104152730266410445929636382029859699802544337531237847244541308241050609560327865770634845817737088026581059018792324952840013990081886300008496676174192700424198911071224278902416773014455029990021397307574479933503132944621243921643235266155064907738485822401104938096708091455274658603032127827125742962287736305408534316268536922154013755874263298322172187045113233719696764345905729402386575785783402688144994480520682073009335486552589580285020938792437752435043319298362404080136944193401817295173570841497366772220704606855506354222790243430983870300121013026036976655756937856256681149143291079661659408630297886643922014862776481065364599213427888158124604531317751322799464379583348468961966428486126458030828761896761079596500687085314713461303614264819848850300567920600264446095490149594003932877773054467014496942290024819594281594961819866451672113472012700897001056882840647290066636823581884917099442992152445396034559289966341174321123967672129411266159109080534009533097294310374640251654683827989016993809338951956401102079839680967781510762052216458256632178387119099628125408053203131753890474966194807538541502839175778798618077102860991058113939204454570639723948517174089664932203970248336568505582251506470606929617285439640267
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,655-digit prime (194 intermediate primes).

Certified number2,655-digit prime
Certificatedownload
Certificate chainshow step 54 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074874142 --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":1100000009074874142},"decimal":true,"detail":2}}'