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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 #1100000009057288570 2,120 digits created 2026-08-08

Value

14001728215632236505066000792269860119443893519537446261973685487443854385824702802059984343673252588663412846824463250263730384440127011773277368910816853134167057036622682452594356510030720195681496407890747801382339708111762679654522375752636762371770359346400345614763452181159120163485625238160965455112940723338719220195714549575244852302741799807642748282208704773089432001767820758426481106019757474561530521183537057135646808312402299095208771110917108954128022816750359058580647130372142891611740649023232168927768896900437737477727595557609818201971799063715142145994097104650027480074401889775897999280665062203349222811111074134952092304862426324824394798702438862411362325144467279728728242714109606778878057528912511247496122317985802427261184407027589304969113192870071643205969213650137494704018437416252535571948290196242590197051173199473907032010602393857481075749181494315421464668568047071691572538303240948615512359757014310147497390604386746267712057755163900070366506635514594493330360499046417286686850487734888573881285207129766413425157214195653510251238446071932334664939982918732178118206168971447145227895827821020619819594454943243450500195846780984884191201772652524328188110252203494912817529629800529757037001894730911592050402084928080524640807321865636053304684390968595616723075225045909367185445889472245162695895606255902617183826213678090572990180030737315163815664860229254461195324674544576361350629525294089748108357736820460313267570577910395873693814827683136683796856908301105403779904005458673388418982134317219122928567277898488475302411510747619847637771809084807486213257327586719551653310857175748721164676631520427123313013687129472314089251152325672971352777363817541740777364558701229462342192974242270078406873201269044568121554856071503731089039111643920485539075235471863229817671543009607050869884837666992284862195469328044034637613351061815449113685267005549330485009832405285867515492969760679937543182732971273316490516142456342094684282033821975139598921498030523530732983696621273554904208220908459913077731385539365572714094698563609426662006051209050669
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,245-digit prime (172 intermediate primes).

Certified number2,245-digit prime
Certificatedownload
Certificate chainshow step 12 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057288570 --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":1100000009057288570},"decimal":true,"detail":2}}'