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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 #1100000008793173570 1,522 digits created 2026-05-07

Value

1755300356734955086255778531262782617750883912648777596821342495346759876997267919723071034427804412546480641668780626750962252918980245511345662383961755224683709897179723397224873513302551724025094304649154210529881152571190664032909705747354962936114292194919038212829696169945651773112382791049920601562176054301987194878586081393053390785657683219553426289373642561571489910241070301034749951241173711573398729878369997594971044589526806342087667330017411095108828617524890898859984596064110853304767355113033660988933888368770440138415504477988990563136336056183336263909492961275674623726005920986553086998984477230487496541282276844247594109661521355060378573106687094018331386079856414818448373530764092782621746435977377236287811544105554971235421867427184605551507339848197627325265453301843104554372040368251810501141510050925213578628814211247534828767374751200583667039566792414455646725957448982442612334832415075779128411285278530293979221527663536078547234357398463631361882833193540595594042097632878788995432197442093103992632851027798610466533649539275779243106787657808886933744712968495357816366650482993247707524072369223891683657945303731935049570402190530040349108742377128792896852476812726261687133219260968803190043799399767037358504998393930076303956135643402051270518075293821316964273993695718984391135609391270232693930752339221810755809711776810504316635233673344854693167203852987809793115546265487313353692022790091324321755835048024117502976920010884293716337262852987908371913746101853
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 154 of the certificate chain of a 3,895-digit prime (244 intermediate primes).

Certified number3,895-digit prime
Certificatedownload
Certificate chainshow step 154 of 244

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008793173570 --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":1100000008793173570},"decimal":true,"detail":2}}'