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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 #1100000009060669840 2,388 digits created 2026-08-09

Value

557015864422315927849078813795064037351366647960448939507291709737530116901064809671549061173719856971955490097394545638867334002193463005309654860473242858347122278988683847837458211087928928280994851505393962287627150841734270082175789161002086966413072381876436824703933408884404918163849954057224329314723466564961011862045583871679727796823222065145575177161397702105307970657597448096539368694958434258683132996591272321057915244031424655287161983191373090015194196009079428168394603837798941742441354066737027386459021592602525803140593169101777267497055055791495264182361399215828158669750040367088862374615916688717579897505015948350066505026466253199775218260493334873409873107508431364407776098763503642867358456572250176777820769658250521594545496908080777206199573301627770528100444039624091275594302110091295951992063526109374401432323538315542652825267258257177709526353301375434445894595302419491155171464808261175345368744236455186148923251953260408527548596924064067661570407405083083493239265838318190484247495711004458907418630884633421248735446999847472175250833446934016459726663257861213351030796141114142379929124310187753961761464282258767293606307245967136773603560193348013913375983719555547423665685107554550149118080027559512905941282790829995335768805204206760409509628429191740548649843427811452314566133519305413095164498764510787226119686527377713537493720883826642391413524967299375989456682662627066829864973361556104021568773306997822602098584212037130952614955633085740567528522095834381415939381612205546360375883001353267127170455758629191350512281361810720788661407375926069936282203948776726190213683632506891527611440986002161872885593312473304759166540848265058952155131074546166741561656064066325072898024696708593486765090303989958046739347962578616075038756702011684405875707562612552778128435071210618015318665656801395466803851115401710036681373385706616879772765958462592521775152915229679291340604274840293052403393088073744003199973364007872975784058042806627357300062057205875109501928831035025188533777915445277380211268074531605569890869246750182650876145609998173151150822325945267848166031164557542583055521728134782303463777857316600242068098733662240401552602622120181183138690544378909927477620975873528510910849613984573688174802497610833678525707988587486673389855741892391595690395137122721372337525646777500543777018921142503
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,616-digit prime (194 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 18 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060669840 --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":1100000009060669840},"decimal":true,"detail":2}}'