factordbrpc · fdb
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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 #1100000009127306127 677 digits created 2026-09-01

Value

26246581900261612675540761041640678591857961858785921149208945765405295869591362658461940698882722478715621711753758079349059672181769992794105790775610637619317595384759866542858632760842301232124187078053559970283641615698166846435745161189737162386807038484165113166238418439783688391925165341977798426826717092611795914648707684359516107500262515461188546572429925956034528070387644423916147870333563271312335501828385158083079500212278808962074823854474036943167389917631565911031013287645362085215719953877187884208492544151812032347830118063326512022149373025409789100018054316601087091676987121217347056019607529550939282502986428694672594935337195266856782990137196569
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 250 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 250 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127306127 --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":1100000009127306127},"decimal":true,"detail":2}}'