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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 #1100000009073140131 2,025 digits created 2026-08-11

Value

885033135344119408769404036978671572717215890943691736752019221838654825614537161498182339210029922889471211545959222690077579174040895841634292373367190292930256983527038086067066557355755457113555762229871139253444271718000235492917527215703423286030624298272621245335077322015313969084784265349057067306986474231882019076494230415780257558497285990939885436416620822544910216145831266605217418892007674056501976040804767720410810868626970896173145469756395815238676098624365711686624425964598570087692367663189280100991417037892283754027364807051078081916084314513023607978174419559206690867445910952528941619747678512779437233124320369435663946952214209960890748838940084371468333183134417463676896146230810282244376653526270299448816357813809226962327118220418916959886357207272004158631176423280498230717293525113608668401897994629397292830880264397951740968273784421476493584583336060300345410108455567710905552846331624484999549901734747356891477086782385827995183175799623159382529873491118997199411974974977860325422297329366562214929437686425689418064004916114903943058697587096832666225313117670565415464065568283019022190173934742547914309748129351379802162203612314007900842272572114268945347102222896227688244814371165323879593380965933531897766999029907542394764619174570816491394608422137415262402246722381552824900358200898552204411527746073925472391242477899838987652340698956268239143065473691326992002955367495064513922683816616461019364573535157178591972663776886714233280774834946080075622140420621948516192725000910309394377782378470787877477091425295227871813287121178062493621703742538944637899933888410002168805235991325394224864826660625498862965768752645886652870197700779906168630889769370256411225295283765415832944408672121331917488779638170089117227910655375794890920220863403322277597914308203863162692546200607658924806441888239233870918549373423068171248403941248016400636410344884569283303910912884129891769212375940944034355185681921644895322974787083617395449191614682113224482023934529
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 2,119-digit prime (164 intermediate primes).

Certified number2,119-digit prime
Certificatedownload
Certificate chainshow step 8 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073140131 --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":1100000009073140131},"decimal":true,"detail":2}}'