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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 #1100000009063834929 1,220 digits created 2026-08-09

Value

47949321421469065654513129403053344802159487190358665546277608244472639511273595129173594371360083430985915426963049621510326784958121137658577984100658765249041240119063294735967276425340606842552718285051434644276939149479709434834781632593041881407034905942805523485436754014728176121655673998292050987036112937504429764723740272133906905991582932797194655590713316142916220655920858993084899072978059400854854583011673669504868623016871469327751716941170627889660514133521517231467730614132718668150595838985975706867694333974916947774050538319122147464417499509244325676712215124446103658295532473448166865461961969872009021079113228521509715507320929153865689555580009423281858531286098135104003464246294766334555264488610503519121168516867027966075955636654580783691756234937905807142262679224190095840170850640969072378588395791859367227029808855264382905634755092079287515429269400675069545944194039285632494137109477089317708510244941326224132632377740879906236050417204454116511925153204433814746196494873633118868271940559685113210834021664075599890754582432342091802828966133887661325508286646871558492480776952811730345204808749398305644346064355446704125511661892675404855373924077883099500254043560714357
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 2,477-digit prime (189 intermediate primes).

Certified number2,477-digit prime
Certificatedownload
Certificate chainshow step 100 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063834929 --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":1100000009063834929},"decimal":true,"detail":2}}'