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 #1100000009077935842 1,287 digits created 2026-08-12

Value

886783148130863903593097353109705167318636843573780311432043323897521547291480007658246678515563189588967787499995635489210837729875154899449892633233303265413939631192390891736712871213378232301839686228110669590951949991233177291084242214415284642353154727163308091370482677994824747264890151809848372292161714016726392063684413971840412511746617166836156619342036895576246355206100867081069169510933157195700957133334986086814530144580108356884423784104953302832276756327994729928726350764279869823968776881985198252668785357232938072171657408317564654667161453389113118504504408041501889200157341707810887601622212843451260083135760746198783984319222796492302228214720193342920552046671755533943246971328542820379345316909112060681808579109006088273644444020886916407941425171925624097786694360470642328026133376937491302720639505162281799319983442393071846954494158563306135569541150366961402971642748587717991153728543830309946955327283327663337084102631349897051727008118123831983034218069941677397747522429953218041022712347965866310337799216040879858307726353745060058787615227687143599153599301164660908717482104653796205424007700806897132274802584145972572368846793336262854446459592936233592045746215251588221786653341711739144464814331970954680277662321224843488832553694193
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 2,026-digit prime (151 intermediate primes).

Certified number2,026-digit prime
Certificatedownload
Certificate chainshow step 55 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077935842 --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":1100000009077935842},"decimal":true,"detail":2}}'