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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 #1100000009053444423 1,770 digits created 2026-08-07

Value

550341574797519728167420241113639309600390302637694363480295328179567696061437812766439941975885785636596719583021229200262175771446689608993110003829838732169590210669644144646988424419149409322319261211111568721888798570016130085146944184306035999375841522437957408652559897294938859607104758873342094269232918414572602670108386151836675174401340617967574164845092171850202655660086696498672383960099158379684136067027825019822766612779415399275856342559036653082655130505839680912386320635446491792623484161276206003660510871053328642746805712418506151972992222164824134563996940009593386332283240923280114015367924296884274860938774625242476213105072941211444532178366304672014418939382541914810028392389404353805577319370092857009738766253553061821329366853061980622158026742314502025176816668060969256120142257860622545073998220646157932590542268903911756332110725207980588951397492987204772296117096590768273200601729116676304220431547619775147127533898504332413051118996068157975043531680274109289267696495842708023656242296209636420403902970943175856923484125704717183090415981331102833217760218749903859127142419159088023952809952528012444530714950268922125880843220392572131039532862290592550300478143347102689966038744180213196056532383917288660879657008341864481522945626114631956830455661055670682504238715293003967526479878925589693093606275145752915309254079870679043165314042998120520791342766187804845925568557159933847222617116827811478320055784535151388693061792252120436730119117864167842567555190118643071529037615273477650410733206503080033571988734705334310226999777920772534549505249186965454277363598449409197603408714461475827825555970400621132809048243723680045020287528017170348989389713813339518035312082405912510308391013647395122518351159
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 2,853-digit prime (221 intermediate primes).

Certified number2,853-digit prime
Certificatedownload
Certificate chainshow step 89 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053444423 --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":1100000009053444423},"decimal":true,"detail":2}}'