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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 #1100000009059117673 2,166 digits created 2026-08-09

Value

281852329713618388825475776801654770047774745876770407654769602178188273808551796835773315879124155891920194817758411986707781325124894306695890408625715465875182281540673102968728126743787198146958460797241869669136605848960319774166278896097119983441523636997034085963399600500049665909085168133938451779097630192543214123666392480442720908373285041248962408229489778932667809091894995022790785417407634690486656945649898604147106393773083899184442295580344878547127762311767555475437681459242147021379614664409084810232149265064151494799707895512240899895912142246992337563958414914077218175032627156739253802157194143968214481427789522042627880275055495953432015320824976463294056964181099099064319725306432686893233347693739911170676443214009664715676382644000595933626111187894122147032811841302294824795034803575135875285255478414613525488152120669368377563285041163491494181922440422054767329619975319488085508988812004036298101210640343563277904975661202632851143413534325681969164081269726228461150677930108582891576453396726104813840053938463087061648445490085104119216411933343411229809133170883524591473907456343841515901467858397893385104604232089625761642041427554283804552549090174900278109631286258406312313223077341207604720062654473449492248461462241876169360175656097900779105203693735226208653509554455032392866717258028388186228497477579348013099460673102957646534650975864842778202320925116338701945433333753983400907690428717613033347859323988029972729058614596772879180285113279243947407131384494887489347417271153892140379468558714380594705535873419573155809164367174805528887096489832288752400088684340600388251672629482050592325648457139927477224448166242823593755502601010679599182417661807754767603281144497063195287338487135832856083765586128661869035106894585390207020858109567956026415990114700829527554443029338226034994817858178454958186610003416791020820085478151801963233543532993420163294701943999248914796531412927732662976602963650133778340087750838551587602462624013304746446574027930647548824025378293106850278058022047433817163725684328730952978652254527022363859875614506156457811933038786600114575079610508758261105192177
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,365-digit prime (182 intermediate primes).

Certified number2,365-digit prime
Certificatedownload
Certificate chainshow step 17 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059117673 --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":1100000009059117673},"decimal":true,"detail":2}}'