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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 #1100000009053430447 1,582 digits created 2026-08-07

Value

1361454368054622196940291150118457702862103598744619886097251948803806493397737467906843600515707466365399776091371211848283818699546445450036935745813200922045425207858828430474449190891436692764849607044071223221054593826121828017474754733745078360230042030466539374410930114185773512752789869870163028738925622974197411186712683330535429805424976213318196218393475445006443662677552183821786512093740796523542668551932439860334438413233406136458627618656218061304732161368834767849892730651654801857976062673771175806277747778084889497913676507476028186865520742242079583803463603132059667977147596947545054690433045403684638797701418560038576231685230955031713210112883517886621178177628730948293996444754894805519284000767938172542585233220348556169276360741153980831841496476924154153327548924316787376800010325086907199402505712180076350862934963031664576579963731256691186882421217415086970507490331697070160799802814193929702287509159408440811231399594626596626445186220777315895910449089149615398314552909994701931512495287668689195547579437809045441696784539014871257869397360829716998157299474082240990024026387057572475099738958126244038780752872697308101599588494093850560842182372182379013588992771810684904211966721774004438345166166394173735659875159907371839224672790312527132430612294785621507166560553785236600398141755443459778789195475150364773668391404707397769648727767497409879493602366806912853176323311448688909899924936849254038752577242090133263711264407172531088263416944182874839879906042226130302325175056413783006399906290395214985053895564746435517
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,400-digit prime (183 intermediate primes).

Certified number2,400-digit prime
Certificatedownload
Certificate chainshow step 67 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053430447 --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":1100000009053430447},"decimal":true,"detail":2}}'