factordbrpc · fdb
Sign in
>
?

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 #1100000009048955557 876 digits created 2026-08-06

Value

539074495378439951501921313130072049092131121403491273570069875267213135145315345552210901239583811987643688797840034528231622150063382989077085734515947538953051106856534846590807031056146250761263018701712489604414939736430519735571334208853254185897112382187925352909165073595520438165631100218545000374490417844946078618271827885009801334698017671683294965408601637274618726891179117288541823608729383827745066253901627159859568656764428087532318186487238003943863115581715378407539543422808721472492405664674953357405381604207089157321066043728805280507283653424564883194505324703456367487407992880715924101459341964534563944774041023353050238143544219480131978163740147312631111410144034028357107627755105954431212430524663479250109523713928513041758956068637902483966523163947930755700819608203801644646182204259101395379765942468134546845419173435045466207244400361359
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,512-digit prime (119 intermediate primes).

Certified number1,512-digit prime
Certificatedownload
Certificate chainshow step 53 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048955557 --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":1100000009048955557},"decimal":true,"detail":2}}'