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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 #1100000009130350200 2,469 digits created 2026-09-02

Value

373166122715346187015070835172410823542878377538592780234741281118985957535645218991611154510921100581050974979198232536072180190597357122381410716143651925339659324467988788314690609722146894419390181088206475187065727123755476196442571043360728534144596471304236192518878296314774574645393455644491204478925829232575886031201953944449336428149837210986794647665812896237126850693803046048107632389867917954734696292663258350237332044419048908210730559285169187632306714265269905595179392827152345614529703526009638620733675938559953449243776957613714435386464292714223775035211923462471716025001214723963673510781550790519964858152761548375391106762324257886808673092844768380491896541438728485789580870543998462630399585584395028708898632187988512527874814780140013537090925462115718088672682620147403702139377807624937832614154971591213257711440159896190430501541240760350010882987424708722879621953392810449429533331414216110120006402957291221615971631180396758980291604804151268185051279912783634070102280729026914981639424427321697797703320798296719061900550089345596352702853590309263783308545242233419222603270183219345627614652738790653041781906130834752614009555537491360787884575074649781475949688349614404104289894201183007814300509463087598513420613759014858946488800299777287931732062185018966595936743555184944211819264970283606567230527619868730557023341169140978225278282432814227258460315632609598757821288656866648116689896599746581475715839109634930236021950073385248452836372953191977536481732871661859192231704600240053237508933228895725500702714599310260675153896645894465039312116085986858222275059664700484253047325023730550801339608086862415595621711052016434359416369707937171909093924950079682273923205627358388632463657537103028780802914127757702951934260860922119886249272027429732521002940374920308688549565666746740366853575283454001791634822940312640485926833611861058108503711367516263038766528185979293354104174926414361916981374510914180563009328107481061443059927047002714738273666932443749616962656439501999702749688753830683519541861664069339741870677777661595335310196434236896704838953318606715979210211652358345086772786112648177074978368315798439645667398424647116049016729888488694387564303029237477342882136774811776071480661073258176873910356857365530086960041344756946040979785915470775618259680279904055174086119311964471034327127817410301886967054171895491846861923667298749335949540678496499221779472262370825089023539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 3,173-digit prime (194 intermediate primes).

Certified number3,173-digit prime
Certificatedownload
Certificate chainshow step 43 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130350200 --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":1100000009130350200},"decimal":true,"detail":2}}'