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 #1100000009075279777 730 digits created 2026-08-11

Value

1954676375221482795327995284538373868278137421137022536025277835370365725510492894006664293595585186625784850758350743273892951665839793241742620612660580839485017302135511428933175106274822846165338710851677932346846186149746993529947962154032074183476060800053097104401787692130611055493079080538918884301002989862761791798774722099377029021143124382141703720612374739255752320820221857676752229061646020382413005648769558071866563947597268345301767749191398540972027311946938551312335882991799578539537427444163082628540153493737013941056780922871702053868524934595988616998661438373101746953087771924883337026008310705858588761301143041973678353104413212035437442260137726881726379558165213619263568718508415276180731881696711
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 154 of the certificate chain of a 2,656-digit prime (204 intermediate primes).

Certified number2,656-digit prime
Certificatedownload
Certificate chainshow step 154 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075279777 --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":1100000009075279777},"decimal":true,"detail":2}}'