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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 #1100000009053807624 2,128 digits created 2026-08-07

Value

1268570747940969245260838794032024489325016098535345238528615189891521311611889762683285105115238561297919635200556276294329924330174736379992650303188324165050340635989532098925238989663626866291240461958173320043637829096321889900912285918016074250228197485767657453847519991932219558367465006536438257265347905607167475721332996064372486112146664598950301978513584122483592724652409366073021074941673059630921410781403990190736774098547377722543629111294386373783511226905761424237316568417804991521537733745907438285248308445943459536205110356834691620065328431522919337019387465481340949270069062350316892740582195973501446817613137342067770105408656400933510577158913814646814129228252228349403512217540260501576229543630711591710348068523740271273915199789184682360855655002933270941468266052277031046351041624227255401471492599163410235729923229053893288295838904152159165012321356482841837993554259715206871724789313680810222549036921052721136598357407979432736033980756676984476127622237281209495348482880561167481419434877523828061172280347749378062234767861636630012011947168773324317026083858064829535025446687575782639455527559974228745630272693302380331072465756077140217994970075588639824998810072888550059031925656203306832817143411897728883930091129141072377792988407017836402693397204726165793463324741834077776514157246689846066840109454145827912929043744202079036427183745790054101849425989176791444470387065056937834536346831192620151803720737799736124150977751991514398705570737707444335736803129145816992637310566459394357876594682582798913485499623603953322362151744525854706543268580806532234402300980189713503819165466885203388738309472778999858978813786549602306108318596264337229548057793284793958102923469746553262458106092734428213392834997397729094452272190690133937970786760655184668862243332658161246417462441753204056571139576913757860205473477469197693813735704577749259473741609257129808901211494432173616220392346257058177622135160361933435869043872398109629100580006546735171862467525391450950097501714849163838874642183815020814175324051945838633679456441089001564554498874426064617407983
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,205-digit prime (172 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 7 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053807624 --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":1100000009053807624},"decimal":true,"detail":2}}'