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 #1100000009041091615 639 digits created 2026-08-03

Value

939436887019752470081755549517324330344092389888525642525284723966403186776445439574731695879604677473353056491461975477290158276822561119384019869050785930341310318000224966465520476721741753402487157115659568500301902088534942219679503621703697264848721577210650270462195679249193210568580490415111771904153079698127090932964326927873407696541083545947984312148300796425401812150734189760091646987856991889636107406533892740827204648502110413064431671923630697535427517013702305775666915356543063922736109210640541865064938559224991731036638282145038396941046659010430694745498052863008043945979848632161023347424613865966681893389858473
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,296-digit prime (105 intermediate primes).

Certified number1,296-digit prime
Certificatedownload
Certificate chainshow step 57 of 105

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041091615 --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":1100000009041091615},"decimal":true,"detail":2}}'