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 #1100000009019435280 820 digits created 2026-07-29

Value

4248584244776294550973516151484059666818119669570091855844213390772869963241859779753755121976755938408392798335864633185637858036807698859247547139799942517436955997957167819561504075049655527334889658325733700200206264597676511057887592152970329390161713734256280558408151051534922378746084747314604746325304310153782324736601529262731113729501415083705027531621192980586335144960385581873031509185466778229071428089661082094217940037417992457903386110517933994658802825679191769915208028206131878641833002477678019332939699859167504215749957551898377225628992169120749119358500229300443954516928445894072427637963453258642774337307094512365325018140763606959483387064588794999573364425376620953188307695646851079078097361026486975199351349897185620504142717412650469621404132948111948588628387816698432306303962704931
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,099-digit prime (94 intermediate primes).

Certified number1,099-digit prime
Certificatedownload
Certificate chainshow step 26 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019435280 --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":1100000009019435280},"decimal":true,"detail":2}}'