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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 #1100000009064838778 2,203 digits created 2026-08-09

Value

1515332791296872738795142927455825518469725462791635523738130887735196120164464222898755903405536572698842736132469292959262689404489508760571546160632728944275287752895521415611551801906880684585415091430171675678510431626602412892001710042088434084344469673895707507003082492724623341156082594502117757831679829823145074088190664123201300235223484092696932912289283733311313365950035371891885569695607483256627683705878841330467320517586850713604364598986167529424307407788003863429869243394717737448392205401266423918046364305888139756983714724777313086706684211458033573762975209083514933152129639956121331623433476888450552385890422349914502035745347873197311394933224164536520112801148778588881710683930289879864714425803452141611709178117317940703427600644711959783317270492146952788317999140096115888909972438449738665940667175154415695389769371631659098932023200694008111215936345142570535075611708832840863007358657903151869478325331891946921232118805614849321158170705901074636895993273808625809056343689863127929378119718413258147763893486185921336440747652911174149456039334208446133901703196889568308596209006299264243916935446791608682609551666080843904869386334789607954718143477033699535483938816169063037333166925701117905907017201108568562945112557549218952190844075546206672902016168366393247703117131901629776005647042552438236761596004434698331964832839649034908188452011915408617737359751941506545122929099560407649740020063225431737182140439348411516659686138803038713139610259377913636788261703408942623479394138378264107390418707288272173179317284014644288162542130080390425269976463729739163695810936798652688452977024532744064056209808371320148641203189219090329766052489960327575008829203589996527119969397224374762608921273816867913842730790383617342824644736264648172749084162124804260593570841184366775383774754534487580578164623707028310084578533903312857458848703199588253232465614508100012299298404225039622770052765414318509715536244991136401445535423080657895318829300059392075165956313801642614414835566791213832783135671597960444153845552574923391384187940506129109919123042697168768309280626339974454205934211090190609522522212279584442807156084796867067080182119
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,294-digit prime (169 intermediate primes).

Certified number2,294-digit prime
Certificatedownload
Certificate chainshow step 7 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064838778 --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":1100000009064838778},"decimal":true,"detail":2}}'