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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 #1100000009070502213 2,289 digits created 2026-08-10

Value

142062956698608896195225774756998864398463098895019272047314050600062228646769964917092372522695546835127050292121503392745152236360676619342568663251722930914764015749034669477042680519676954051800281663888151767027429306151005043624201127636249035961498095479298780324676538042689679163052556557988783520481288195216866217675560213211789262194540495015283936356486253994137248102649634607143985106298659900779494674519240045912849504023225230422524017296644612609417391101669264285163564699847750147095518330298455080894990725061395425512553004583798634388790635295772864990871783236904152827956348671691559282041784994823911679950706906936360508170896524256327157743642458782385526260182301632052603086507397336489020879942081717650260207608079601046297229053421789521522321171641010833550802481928732953466026804784853839849739052132514223944148337708009513147096236008181173502893741971030867495245741896173164025521814874442571646932615603586358428202244884985473003893297997656147820358155058051712821176886074452658678571816614912980301013999687970603011485798716043447743746997428890132333156466746023868797401606448831470349326097805229383193202293551091034942518468143424595629067151181037825706036995617123218484870523713268064697647497000201413149112032140398304669817049564995198897909978869455022684431868531239655479127084145497377599275266389717660609005845208312530507109162809026014367998750067117951070203690857328417743963280292552379698362461005262654416918117509336633822339321334355711442281349372084104983189836474832477402862845305757517862241066938185918974297549978769030669640173554367438505965769601769499354480555072397876495292302871095529367478801641078971942523746466332922247467085797114763837803703221023188474317847757911184580827250091741214563249030625183083348819444467666141916010292525080488773284939924676897960148823315345022957421937614945427679070688858390743660985754322480082050934470320506766567142362332575287252092318929896557156201836252389789400825082812107762505131952878424950650518499833679314933881700344843814391743866827705187838469830260101772429563793256723824371255339521294453609570560458979981634739367962815637305233110353903203496882649922990926908755917945662125157517837220192981320972535765852869444816982966229995160789
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 2,498-digit prime (187 intermediate primes).

Certified number2,498-digit prime
Certificatedownload
Certificate chainshow step 16 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070502213 --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":1100000009070502213},"decimal":true,"detail":2}}'