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 #1100000009047821284 1,008 digits created 2026-08-05

Value

447163804306266963195929210376608065733272221987872973928239327842915779407092973995181948666607665477249354024330551670202314663953297539425629767491934989422974236257334776376598117667470582406901257178200902304899175005078048503651745601020756573015097787901850332806997160499466168867078424100267992909813302955772773370114931403797688999816761702958283182318925262744080693206837234982704546268314721632523707952690230471985895549423169060196192203146209180996260082310910490113773357003942398130374102639146611542940509632148195923144396661500921707284153339850801294102584555946388519116409591923996418956009877218778246921772095053158549681444528534453836555624851428717806063145697932241906708644482933212598907155905291740289007839763370678515000774990723205868596599473794869508287849284577300884029855349243418003952402396210969860891731961766677005055069539952154464202924645306250739961039121060072003384844553124260050652317706584721733883686540990352958505065964685961782160996751774955526677
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 40 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047821284 --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":1100000009047821284},"decimal":true,"detail":2}}'