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 #1100000009084007927 321 digits created 2026-08-14

Value

336566678361675689093855448077900421293325286719159301927923355073283916331449879701218025242491709059865383203329781358949848485050368282779886056434422169087697044957580169826696959673115751916009834903405705392633015227773107193128203979968684287402242477015051949285366046281100252707751946893078550292552562043824481
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 131 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 131 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007927 --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":1100000009084007927},"decimal":true,"detail":2}}'