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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 #1100000009106881894 2,224 digits created 2026-08-25

Value

1686324314071596579154887696492314735143511070924456447823906260767529557225288106195581556746916978214403042680598943620466094403225290296983415265520548707121848885158486973950690929306037491626271213945857091327826470788335127962392761747884880326574046171747932990345377759410920011203323961536802966832846556206628941576540517308971790398344451409806707068397142768037457327162295481945372225293187819364193663441056068743734746269564979515032546088036017387570277588704372046762205724185986025665627533896659618291908618892290686185580365575000234368069127572097225380635127670223374883991696472077603598275214458356099118827304389901847624681330800545500310862425352324394062429392828590485356506141852275433403960094505135411583280792318179373040158040164612739532385430486416011839883991184302785761947738951363681110451366278294632380318589458499726807596848300425166422357494633037180013523381723933915606646933672018156449356178005644779924454314247533341497493594642336440440472397207979810753116450015052609752647966431946097429720033181010272656405928477483924960838114040927757557307318604473413438650944953912539288367827296079459481461941094383261235622973232853275841253691559234318847615438002263525855395942519271324086941142992811735092018065150696048348022393363255868278548016941400823809223867803533357332914768659757896236185043754938070574426821278220689581390697811769688457935577321043791531604853390322416576211474528604615705590079877911074915679168467394530067021135140830971035474191945445476850537806554709256453576071595632199727624869839397563089468757116983813434155616578479180251579132567872486215602738047461804862798441034580453027333859821146830488262717096404180265234353776906164458994343314971326066597014879182387221024429640319950824219536161086273528447086088039113110093239256629135819713793047652690972342009029824321093900310984770391766720941417911311893281777617229116192002287420763961813329236587902081127220972927696482786589436459491601426592118167988956556200967319124728244162587053997153316053967645009257651955841054731706886053133303069121742807129798261892985109632862348617986759922822658022865725040729676915749268387605070065917589749373398320056997451769329
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 2,996-digit prime (229 intermediate primes).

Certified number2,996-digit prime
Certificatedownload
Certificate chainshow step 61 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009106881894 --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":1100000009106881894},"decimal":true,"detail":2}}'