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 #1100000009127306312 435 digits created 2026-09-01

Value

129081588993497551029672030951625790959035849696989073849938150339213618259716253775972332279682428947390881293721014868350534766118632383274032713028365851305285064473920954032634282603185615668755238010419746674516543632588538851116129128244845838310080034604438552842138857390682759454923599073744039433505509767248348109646166095862588723158475127078511117454951787270244097623593622940916986537190855620799974042525333885604364939
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 277 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 277 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127306312 --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":1100000009127306312},"decimal":true,"detail":2}}'