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 #1100000009040889230 728 digits created 2026-08-03

Value

26801060802582251564884961615880744638973177227332371993947213985914396770549183703795803221074256963310917932176621651385030868896859965591355485644860321024541530192676990650569536192908747940315096750477943031757699555787772565853746492053219805256911873041307195303964831490415754944786345967215859594938491550422803361604146163486331784346116755556602661529205720432265451165999064722241918611208055806841888707984053373419774801203011221135240125576695217731367997197836909741615686608190571623658016423219815570453818359437967242409136177344427932708840030298615849717968089505941948159437388418266564107294579765033510458223972708503016609353585944966526851365659954994079732102804296836006452771365212782294264943298837
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,285-digit prime (108 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 50 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040889230 --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":1100000009040889230},"decimal":true,"detail":2}}'