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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 #1100000009092177918 1,593 digits created 2026-08-18

Value

176199618838993782390885539595418464101648982582457935095505447765003492720503039438019187399011722680176150568043702110074797626032648027612812893794666875463505696648747780660016789262580259886553670998433794609005502906715076372252558109558073027814738646493306566421464328559287419693827191052950046308026893463410922832260807585235533656392032986339870467343849110986422988583193154648448610315676958181662089968870497438596951144464052489869685594176015345972697676630191038963853640534521288814781692104934953978395962677820448050737134035030905427838873752670016188944207053394865482116271252223472039891517002371942296415049026328600302143826533980899564156713036728436832489416585493549800655828488905794622699026078580969995626150381484639752149744518960100855887161934746144860261663225177587104586024809955093437283135650764947346390430778538872512613294760525767949556229187330144464692313338191918423724742853693480599471065425045672110361579869112418109671992676095417336776411580608096882155730126465414280355081412000256370857961838961668004052957433172818432545955102884717426135448093763923636195222038711829041379366302938219420962740346662047778543682973425468282100312232378003277929843775927490197072879722277418443903937342552119834153542483787466160416771444479171798205985666077928447156122532205662481555776467892293194408914416862141199439154261374026939525185939092053424580560491393453630866824144387383308875032340106539419219053222275901567634521192748012837177704811943993986253045084633569406958355221159932218187071735408313825314035546586399565909985140207
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,097-digit prime (164 intermediate primes).

Certified number2,097-digit prime
Certificatedownload
Certificate chainshow step 42 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009092177918 --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":1100000009092177918},"decimal":true,"detail":2}}'