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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 #1100000009130350285 2,098 digits created 2026-09-02

Value

1383681126463937730715833166999297121530776571632182989674443590141613503216169398387577418628017559500295202371090788017187985898575365296765230685936354423363417380134910790456730875402928173147812637094655049722285982071140770883253385345208897170779056648543452417002814086214727228814513437889902856183895852981864478820807933553001064777366340902682077947198929482592716979543510549573020392046751463657896387571806409621448384270369011846101987728157091521447042923806308617916661116299267333039798230565333255244911497280396838593037047846693795426467198297364571925501422969535989827131855818792842730393620005613776353908277786492635681156026891396636096911432716140622960182733294913845325024190531023292401292061010307415067779522473613664848873718479680720918574732955860134666928727468275868259421483376728074346753630653387156728448933614759055825658277250755338697866003085476685434825011121044081300298691689175163406787244314939879616982696585932821488248636095425536163081194808567143672364758776205182857075176614629418005503367156086341931093010241931321612310250061893954202454616553510811643729646006081709989843039832590073458944385108638168791173643823993708349531205262743852902195331199881398418844746357963883600767003412509772875888457432635434068139189613187179873899326887306501726094709723841228868780282161771789655092288891033772600792190489847978529344878081681514126699959926195421356197721123030011624811044963732340269567923153366301965823628574035856763355588350061708561404903099655893703789678958240868026504067947638146509648647489242824105493017886574999741103206313562578462961667159449804629267704689585605176954552796755877848380179909059174049037558630419756287259886654625397086142522753625470455943816712693648346622642424470348537719592344721140930190911942149893199525628493923906814129049269263817886464615989580786227089037146249077489932943955410246068858974630427508793942383746846803383112152091269365328566145991108279132304524376351735669718529714896218455730142566348132338618863542422642771039182732521522082944827140081872576743854412717
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 3,173-digit prime (194 intermediate primes).

Certified number3,173-digit prime
Certificatedownload
Certificate chainshow step 66 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130350285 --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":1100000009130350285},"decimal":true,"detail":2}}'