factordbrpc · fdb
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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 #1100000009078199707 1,795 digits created 2026-08-12

Value

1218516038868317565606588159160648034891025600182699405917942646720377446029644944514383653477246602766640735400750391602949475703012043178259548464442155690773305176043168150724431823120326844205697858150267755216606202830867500954404802122114404728097546959085376437271452576737609357934641237338635475307233087954882535978326642382924123763671867871289935901316660663210529847146457234906875159297522372207836234409466433879919695875714919876873943746103943806511759941030406395939499681811549427025992666729047399949559619610900804088656861307851690069627624006792836343787492829687760943544195843907750252241537453131866252845070748904094452836923891357414248742860359270041101853378276021542579668019557817283491362040013066188951615409602023299447008675475811305158761881128850281881987880398863102994782023108687160375623702832631008851497904788345763101214608330921461989190724116764681704847335644316724223084529801954152374100075316589186131046050865050924277846826816949174659000904763292415155394200820315088333440719022727799916508431412179761205002625407597328557231825854868844445117654980102717613073250978822632611283716787707444819570413084415974908473728372715720723247264854765541074293724835938673977100735642345856896123488072004950330662303918965883889143910757520114931482466858452184483744155729556324140572979984458255040448368328770202997871002598172602209025275255312125655402840296652314724859921017965545624444068712161300665070607008516702073809410672284213071666373255888078808870634554146724221919886861024593520049181111510693740236998353569304018268250719128366858704494488365696001178057542561323293843947247581587786417218291371531820489137658068204918807913406304366625240387357182353262631814642406553198818667825370166652734042931598336396996587730124569
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,146-digit prime (165 intermediate primes).

Certified number2,146-digit prime
Certificatedownload
Certificate chainshow step 28 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078199707 --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":1100000009078199707},"decimal":true,"detail":2}}'