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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 #1100000009130191894 2,206 digits created 2026-09-02

Value

1019553291536550173052980376333133571442722389551643390401275078249788729152218845465944267387056302219596866488163288302568251397688916892985144646095241299650760232799287046684522672290952870519164475237878497548379088386839742438305454364911833464259908548357675468405410700646808063935029010327862775465046428887017187204532968493698793175212483026601752806733766106366606207316710870317602199617566770057070031615954996233054987599177184358259381037151509258357433830170072605381604733367816487679130338290596069506935955747642959019799881666693418803941714359360194949403949586285420738445383547184483201539174081450940961920561801418064686995624201629374311780592148339324013372178644362488058431745325509961630829510645080753641835831814706787296486408768844020082166171130074786927441619188324818527631824507090794933582531231577288580356873305013634253616475664377755765150642801823533637834183271230056439704377339313795340140003111725862142450479447843728868892378710118304960463096805259911292076896091353331680562811876559152012658739240671014153467336900945210165445208011198693665136602799198862854620299532336573712227448709436784771590962051113608504469819086701936198446398136077813472484539331481110344833534360484240355911203065611805285804962569306891685518499027445055598388570676125959368186492121844256058097558859107892005082219030336576784820718254627476882402324189151336796327136730077686100271232765884206492523849915171837947301064684291703965948084563517146532868432069345883521202399811631613785781084523518907657753273437761443869898736690429438973124355335222809722322400677338847357285535639055856800484291862464717147270486933296032877823081949670186514944268125447641342231377279788213016047970681582497415679414851304575368378883917892303074438998045848773488463749228549718141573634112375004564693289086147206314666459816982755819716871527535373036325738764714880315409467575087114505743335382665988527937774032580442407100200904811622681401774946393803954869379568754213573004230115928528410981453241341583321451156313145026629558202537326183077231812620892747288133822328434329400821039363990765676226446713894262218537321813359109652264507022732430634852797680033
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 3,154-digit prime (314 intermediate primes).

Certified number3,154-digit prime
Certificatedownload
Certificate chainshow step 89 of 314

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130191894 --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":1100000009130191894},"decimal":true,"detail":2}}'