factordbrpc · fdb
Sign in
>
?

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 #1100000009079480262 888 digits created 2026-08-12

Value

425287407466120783895211386465858591240640010438426357846950256612093607860500299564461240605237461680836743659234133061125869881771711784109530601900598672890500159864256837688636934836486066515928930090677260072350012219860541701317287856717926974488450463448134547974683363368904522867237591122733758702557810699940240659550985783767331432338081823036852125800381047600548074015817545283965319670968760408843128046403629771488919728000111837960852216038640808041908736976992943735402291268431997201627875120310172914685058310062986198039805679642243812602657571934786289201602306449287284748073944938103115459173080095228827353410091604688841220803600267335988262089547141636038294203610655983539296613128241410143369336034876625705097593447801819726649150856128378143101809952042029585069578426263030195369245515161051615388675837598305036079919269416058118796627092530507601946469837
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 1,849-digit prime (146 intermediate primes).

Certified number1,849-digit prime
Certificatedownload
Certificate chainshow step 81 of 146

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079480262 --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":1100000009079480262},"decimal":true,"detail":2}}'