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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 #1100000009054640941 1,927 digits created 2026-08-08

Value

2664043518473152842943055929429170352319750492029187604609441307717047688999832273770240482391464319029244963365874689487171343384677672236610588079155438666915800625770612348016924213374962611065698938287944289356383604830976668497675647909373634911800497008867074412290571888020949288037234633927313623374516573227129126761689736007984580547185697325863434945009373282484400379552321881777542557933920078916938294366332635207833197699379719740000253316517666684316914404925033331872066144084693239724755616793297649426671078731638881094872799746883550470626173256414018487690300870700124162924640620269765622394716841549239189833301898299276633490915919197633872227799799639261825798929369156008744282089601514457040371282426883003287619875191372595785073133171751645072781384963689369250642927698614575413114825698259759096102191421380196798294926475099159606386284623984432403222588815361185415002408988220167394539428848808399502859707655866542889983952764070421874748016003336980166929658653090686441011485564872787102233688996324937670605887159196649115391529195300351715289141807595378157292593331339573912990795698389170613589760231960146036496891344603448499403101839473110234735139162983119688286227524061191807531207155260886341923372967806824333096071585779419204271619648425349040298988670808931940417893549781503648256430924461097021001610073412520070900371802395199725816769217847468078405529999515578762858633741226943773184380872289897405692149495400881631839640661303028307935239631372355239650956077796201024450180464273518945680790363169530205076169863193480425842851266027529994091890923348633098201999487636149153539322781666995857446015513401724868679127911513514953048421736267818189041577783335749002182915910241163048165797788785215510278506082900525986092767160007075994984170377650830420234532466654530442397993821496614465861148939944622456980809889323273485376919381975744929252998999783131964279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,415-digit prime (186 intermediate primes).

Certified number2,415-digit prime
Certificatedownload
Certificate chainshow step 40 of 186

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054640941 --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":1100000009054640941},"decimal":true,"detail":2}}'