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 #1100000009091095393 458 digits created 2026-08-17

Value

78007646043390957209310183944115824287683562593654542483672748211038152358279226614979851775119238961438717914109557925556217356343242858752697683870938040871243837418925682095169693609199244316081178066124283228315193842537683993473398708193467185445259043725489844457778452211882424513578827791915892709351806644649604077935668197454730477011511390664101540352215594838786355342797597453453679155720424367966863463460265379649051394063888266548414081049181
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 130 of the certificate chain of a 2,085-digit prime (160 intermediate primes).

Certified number2,085-digit prime
Certificatedownload
Certificate chainshow step 130 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091095393 --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":1100000009091095393},"decimal":true,"detail":2}}'