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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 #1100000009080395459 1,710 digits created 2026-08-13

Value

641496341653753073225494929788868076989509619320715448343704405108969792336853104614836963569421928304835321435547555200272328325926625982326026639824366299226939569736308567503222298372927139236493850258789724709677187543457974600588615094643679504218162718699809834557871558532683128043800567944767996993596679160320699127509045652527997745550488833741793461462842961259416934931122482837964083645036103016582086867072423364839049902805386763209274367615152031959886811732090054121636626073091018679314481702753147733272204369820936902069367541839980918136607681807031727321292976912771895711928690921220423946531349771263239901812229511869018034040632567923348620713342869437342311538007403560260134971823978736062449655832095830916521865337682211011819264588223272099173159397422963971802467580812309111645717377853434425542349339342658950946702151529712760584798869025810216533960074270718148434929424905717855830705134154345926775973337429494715028389685853146592790534370198955690576220301095203546917468256187112614254739970533561445572270375209500001967058837874549179758178775453804885337436430488982328176252418015330980869385692349979780564821254179589801296629598353939056877797115759077031276811772152257319487730944890649468198379868007721656473057341978741638394063961172753556546979051851925059186717034275705119616621341100274009960615379709523103248113844283118916081383462783344095055021311341712239401101108244264326626722863991477290774319422238275195340625480334641292572067455971211197887894207423775826468414067361750113353181819375398837246282059452261255627360519196082765848338953562343712416140224685218944501012088481058134231042151684554270928505545773379080973885463345763585797
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 101 of the certificate chain of a 2,963-digit prime (220 intermediate primes).

Certified number2,963-digit prime
Certificatedownload
Certificate chainshow step 101 of 220

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080395459 --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":1100000009080395459},"decimal":true,"detail":2}}'