factordbrpc · fdb
Sign in
>
?

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 #1100000009058004923 1,808 digits created 2026-08-08

Value

28838304272214306888271946754536416466759116484982187389537864532540515626382618386884215045682382481033950780266096118909260575910083557572015898581156202986147478799040271736496639447696015778938952909705781137445284816025298848206583653476784588583002662211998692158438240017725116913737547337009196040484278521304687500843087141640795843790320628264486682260631398267095637866124199301658313115930071130629625746905013893957614997735094000413213533085745398600113295155341115340967524718272568509417035970375336529689925675975593834457938666082474990921889670896373484642187264906220590381702743566985777197697739117968258851954734695021804580610565625205057409429783406680864856314569170415260752270280216463338621352456868935886830552109746026197852509125480689355807536415293766615341461232219854072374940280406779236503328897168916683817111252591725344580068203601723716605764723417107755805845068978808153519957309371054036873985428119545838391379128825921049713402668744820161964931057398666260741204518578668900445158796150322631420026761317627768653859724623395568672150733852798250959450006202257403104988331901594555738967526182375033905731384671335816838516836799426422219426534302168253439231702170536205602649717825844426351743041340270158659386743180231837578295288844027255382185076183550789698317517136390345141116223334583814485016856664952732486861196019867501751451795707381311308934431586939345467916910403798179672759902974421739427261672514245219219445024420161964335961039816246685585806432631046093357634045519892659285205792058168296172570366670935946667121573553124369352491117441653510741491121793480788478436566779826630504117206457326901352154327490486059521120212158436215177781291846335427016011066052512100202954117165413794674638147139431191207908066917203556449676673651
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 32 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058004923 --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":1100000009058004923},"decimal":true,"detail":2}}'