factordbrpc · fdb
Sign in
>
?

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 #1100000008942580071 1,902 digits created 2026-07-06

Value

249011583475887230393448745646718467328410923292630222386365515234997825304862429621104206627250254838993814519167757370499525950107156845497721332669526717576131011103331656612818345538440178846996919340777038223051734405564083861863417949162821024954864800689959475739569193901660374652505236665246848127887318700539312641120295189770252319986070040612070686133667484032431081477572177621528681986814848778251333517078989878143611210219790298384048587983193161052821620851776547958894931692140269266699540901548736795142668401245210624811027621503165008481550974286739672916118781041618656220075039623120416281688718245843803782831102390593741388862337820702683163120876362882653257952225584569628237092562123619844795515278282290928335656533049751094799534179068372370453775166310914749316517031338884895970242601020299576385142242117302203930112391782883909894307593216371826322860145205586970272119270546039544382607440574544458144382093781203323025431336926139532348970141118375649785340672225736563312285556073635133736762350985229815633682616486696297542413664057903070541306334249881726054404627795995270319548603809173354878536740850500187908408132465816122027806572537967029946915073671150462569074693104378069514130639987869304130998178077955418109118974510712445126497179242146340417310211641025458939216248187164037008270033267729013763310896397548819185718169495132403166330642073295651637194055115956781350912271854979064424083253093579954474322700365324623556095733237253951194257927720300407269555025571876939243926176880812915752525771364107466493772425255810284562885543162595448973021166360995260357134006730939108517304325488568851070534055077217251290416247707553828729731886062732167682796982382594837100464017906153074388813326203548879614266938151261761709377761120048566215630313734844383818763636770600028928708980962940687629416342018698382038604751091941816233261461023609
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 69 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580071 --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":1100000008942580071},"decimal":true,"detail":2}}'