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 #1100000009023544992 551 digits created 2026-07-30

Value

12775499148862026208801134617131408278323913687722780014046450937608853932144544597001561492343469320361218628426169860882364376184640760375984044143104104666637915450116031573087962619951699812110287703419238051760003263426881431807539213886818458501253982027983145881571410944286997069395371827064177677068473855483648205324758265701636781226356860783930163932740952856958230520029536571812272814036898412610305150579183867032686233812642879625430431428053265960139744734212317419883428722547075700696909133454205955395962339430319524428507326114657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 1,174-digit prime (103 intermediate primes).

Certified number1,174-digit prime
Certificatedownload
Certificate chainshow step 58 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023544992 --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":1100000009023544992},"decimal":true,"detail":2}}'