factordbrpc · fdb
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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 #1100000009073531755 1,388 digits created 2026-08-11

Value

27085193771831627747424016443887629490641288919281878685224430135320086829197451853570536147332324309200105597622669517979850432405264906846287768734366670911096974803649366491584700821753788317463094958788511084324637626767038579228266903057929106370529478424067528304010357425216577985690486752525894062605625501076710783916022636507331657586353376510422392878254445954423667877056490043040383426591701691128151448979331707059386819062386545912059765520376241613965310321906672162728142601813501091746428749248875635957928610261314282542980905946381212522655621344831273600183370216549162736882574840258110845375341156252176667028398726935887240712437757458755901384337197128290230908870639772352928193089342198475014744883476610130654637595556115746277894399734662019245296167314895645676046344638420307376959771852146337768361070956990980198293661211585400701515019561453902096233156684863604833525626362228239763176627592762795587777680541842515455636198089424554289551589364362571463271920052829582816367727601323118764824195053865724949445901825095357507967766608097837516310031879960987654696725937306779406400888001821925748815662941957899673062624774631516088411484884004684441326569805604820060806375586745195360826443769601423540262017103993748097394572345142217714216450061219371470299795061428333967902676769004056315786006871958390576895084829615090771282393182313501209531
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,008-digit prime (149 intermediate primes).

Certified number2,008-digit prime
Certificatedownload
Certificate chainshow step 51 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073531755 --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":1100000009073531755},"decimal":true,"detail":2}}'