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 #1100000009084386879 1,071 digits created 2026-08-15

Value

105103239950399260110195244407557135523470658734233160810670587767069303607427490478267155121167892680493940850777592648127277578164163999200258431630810893803738980196067552136754978792086788500783865487511687645357778322578327173280407864433977302782594245581350798314143267216646945076224365637490780669741729001458620474327610463069725726969244655435814984746813025408564615914066658998225996699774481256501495507303773469026066446406585996205313824119250486168285331571496175604634170714075235849679514088190341305244550156870653262520715291498103415558302505735358479171226129435537647853866959553991241622240852532064711408905238838112562865848857396641200402620147877573988706393035041605922148257749926262771826648359778912778082996434995666111390973959811468879725741869270319437855286763368862489450548435672615657250035310157480804693895416569982321470380107878709854598470823212084730396087194883093215794876924559303946492158889972450006047180843785755158800662385275597136323532706765899248996635986732991716334909647924448642271126576157572367075042396093
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,956-digit prime (156 intermediate primes).

Certified number1,956-digit prime
Certificatedownload
Certificate chainshow step 73 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084386879 --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":1100000009084386879},"decimal":true,"detail":2}}'