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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 #1100000009064591289 1,255 digits created 2026-08-09

Value

2869890713208481640493997438755829660496095384319188080010199860956964463410590856456530977503317085621434900254743398129280662472505963392199571536826859279058917369494776296473392234797277195449092698685556137638390968478570062543591417080896164455622533429097634996254184298792632760392891253264312966000068935396366688588486235454689370055440727119716185721089298215460433971485760405393811524592670608630141288253801700828717224870428149059218297497841015442644486502425786519936805155822067230824207491499765097903652807072423966951930873602256423672089405187977539978956463784155533793120497293109101048364490780052285055966700024917335142707948803618150478752256857968631296486478122184825849868208551078524954642579632451320368407183948368227229968755474608243348270408312926073996001838608772253253118724985449411343645350758459090127145999914739642263091298428361853426830629607578912147465016052536862604019966341232929322824485930494257483724971670417727902320627569530935587558103573840052680192729942683464693815193891923782345744413883295231825460629702798734452645268201846058474129970717050165183398707105561519050418155748569214936600739513751753653581082555632576287406460454693788413126316018857515551717018713898226044969243364995407
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,293-digit prime (183 intermediate primes).

Certified number2,293-digit prime
Certificatedownload
Certificate chainshow step 90 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064591289 --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":1100000009064591289},"decimal":true,"detail":2}}'