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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 #1100000009106881695 2,907 digits created 2026-08-25

Value

242457714143914860297804013723912229018833442162546306554077477683247216034631275474446155771607334039824569108670951381469050733459585270388154435119193013281553015365011871368223627874172647556156132550064085326864786976421332399435764064381755298021030940503102056891953762085939520389151505212860449091779882900425558312443399200087001800695380257398962763604125652049791508398557657505380182365098513695924328935235347921712107324163517954942861954680774038200848631352403692169498092180948993938629240302915916903396956995030227940019857607496698747179308654257479045855919155098308618843168663153172422471719821910909154131201840300169591020263978373974763724375161941656379043861283231243854397419938426990890116365307182383511090042432518062040373734917288236066524872981495914280365439671547671704494576797827718184437277171980393819977830650338605826998335373499579972326600066573678768378334575841206766723307474007121672153427506787574855058030648187160877372561516570840638037604683880211394247222341804142799613675295862873967145660605846702548551076164639493407856442726920077354931574042032111420774490594786883461705717645221404355218844414283782093818781986294676036270519618398229312375944602693230501480348910685387321652639289406741489052031743809150049215331839577921387507826741133156592693750766617662217680322234576291786095314705004132072153162518476007061976361128427820733077892393031282320801433928324668657349616332768980340241490672068026266957743515579957487238433096471758719660340570254561381344949176231771357812697787958460407137971290502961307624070905631201998348437099140333800507498934429930014672255004634982497804938006083966119920950506637843069759477895600251428515665516006341039586287295436823089548217567565311308542598965061372685491347341402071409318698288821482280349980839646265617194917668440374133512718513811002863134972506632285847287081312416489085045157010398558373640260988915857629942921449037960332906039953486263806621127729919695671965235392768040236620626767860683021360499683666654239229052347778974394069682985918147516113794271350107750511106860023468450233948212462918484636037369845192758789842181843716184539772030776333535123244567231010424433163508843041408024262263136891166590915553587815482184762651065628360498404188568256876447768309001310580168335760100531778035284962767377812644610856965730685257839858969009525883402229711241839169784800964012716638494359557979794158527662970252656395050315475526612125555735513200749076959333783602199842117683029841953678178760106834769371552666791603342094031179040132411351228530354268996461426027048960722320014450558951740143604707593206322752210520043563305289300363187718815425186301780795495532189820071412173987366844598493326377554277450108730160282230909348413030065389915863805043853498314661683810421136553881176202363365148501838132782891554342878237241866998920005569514037677
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 2,996-digit prime (229 intermediate primes).

Certified number2,996-digit prime
Certificatedownload
Certificate chainshow step 8 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009106881695 --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":1100000009106881695},"decimal":true,"detail":2}}'