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 #1100000009122593225 875 digits created 2026-08-30

Value

13983817529674511812785940703219751945085219758665298231183473984987681532400148815247512071486458217630451955430332641566604631493134830694883714271661618962710148790800384495997822257942304845495217368567122916368903972681793588503311276818627775643231739026272727600023962242830495348871866167483617511452556433223337368062986915897369444243197781221604716166860268006534564590085281114115378269764628332734208004087688040668688418261223982013745078238585805494862510266039949356599590180694328790841083431864966749230010790250377414996518846305487465555834849393593688869617704359820482531983653329563736553090736544768999878703632631106876400296128403827758809995534682579630974309031746070032445732643296716168871236802204157681199732280384861141796745966226319491017246088163628164901432601110689128717616517705041482640631824970780040042495551342479138643920455868489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 1,775-digit prime (189 intermediate primes).

Certified number1,775-digit prime
Certificatedownload
Certificate chainshow step 88 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122593225 --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":1100000009122593225},"decimal":true,"detail":2}}'