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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 #1100000009067906776 1,906 digits created 2026-08-10

Value

4801358637800469561564228887932162719478189646290781458989152516485743838208901027307667707777184868365176409977983561220603426752582722377131411271085903723258158568177190231166033753711139690781996102990574492867570671247751470066086106197392113024798434824361200183996353422953807231742319169512044773342575702997880940504358654579890258844926437486922125907280985124079651719844338440990493096710461358492056294549539985695088056651443625580535085352915499556499598791747143289881746127971429022585438303717489857461047070460925012383195117259807586303281100074636323254453759187438910004732969206136429775238205845366455207561404082903594701052573988815149955848839793731828902479831083568318502921151191364877019499090869016587986527583271065956683146905117731567607310456297614695233948398053761752963258469715385402395789368788355400245954514054288209448879038100866145152737305176685059194878071759566078297968353267209088514421292285942870855446997360202756870204491001632901926055291900056159075011228195355217716350638556187680811301421695732635442093570797476404366584807727509585075172530058426811607748138265854390798944863504202831466693933198740083440002258093342150926059552037899991170231431210655783798346192530472702376843559979591666507479831050664154412511796847388008224648421820093468079576261353872776733648588943990146313682826087186134038328615369310274000813650307486380830252380230877129320748280026754707843162027788930771739406721677527421644306412962741054772546469575939106748262916026785599912479094016194953295381368178942593066855137217204928065200872855286496600589679384803955905431118935540586420347631396044678686979164058098023244591176479817861210447994138792623595874896775835987634131219247316181527248043533537917437865402432081665910931886101849193235277507488661602260654317607768470102815134063186767586093891742326482697346024859198611055556467172833219119
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,927-digit prime (222 intermediate primes).

Certified number2,927-digit prime
Certificatedownload
Certificate chainshow step 82 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067906776 --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":1100000009067906776},"decimal":true,"detail":2}}'