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 #1100000009053029391 1,874 digits created 2026-08-07

Value

25287795308064650049271603818066317009134487479949073157914123155791222077874277254998890839064389059976230662617148283959037339587086827787757290671123850254193976884234306320017371660749997622057690959491762023722388787385853862403991487200661003479717089653243486942042997219592584358850270174756628740120211502674935611229037827550369629839590932715616356158175025354642148963389844147224803765039211427533069201262393718370022784417403404057524021932593826035172321192363012712361728255423357907585764882770348007752968268915148441760376313353553564664383227441533476154881171694166700178663384735940270558389587067784596988073846148057193946346035967019583753627005652948492815940387564409805147614502665460740002860333139792786953881353208158076088193745429617055828880345048837744181747438394828650895322798648095306307309410367379360147483591502901634768578477468314227971668272324125228108643022816360886865217567275686207396511716658856800915376751766077553343780900026740268670563562499816031005396964219440976487245198449198917503320777604322437296951162221493575974038163876351149946613753956899220233254541925515226604461138734162783215391484897888249267595652585919719794936332807126041830514351196639317258371468621628155946617709571729664123915327101735629686573177952179149551525933080853635673778602465351058799437372469593333298973771014552935587435592820799444785540845882674544331930678509646090125286712833404597574188139452469297763127364329895378399110258848574441305488011016432616116510056363970001503381176606744226428282165816804414559033849729189412020078776764316280873837560122531222122652117841645768258265836653346242919951845972346677597741572758022370606150484247595309171089729757167122155680793982511945460514264828875446438104754944089485393674271303596409619055923948888928104766690173695262319701096847885437874680820139813431992497
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,848-digit prime (207 intermediate primes).

Certified number2,848-digit prime
Certificatedownload
Certificate chainshow step 72 of 207

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053029391 --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":1100000009053029391},"decimal":true,"detail":2}}'