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 #1100000009082543873 855 digits created 2026-08-14

Value

519195779527313411156956494992341670376850866381402668633383214825427933711992056013388090690663402445217900265777559450408938408255044024459722905108485505368084522754600828794584746211531904099762337332916243674360880683821767935770428678443355715300002432964230587004487935277940498110954704982623700284661063587972616992646415640625899922541280710317423267599783004513286151767617157964315023102852741934244534796848980299499458607078833438194691246859601314690873446154619984745142547142292847344326376470935172800041827666685369680378743921117811154757531053893135678658031715692441061470936393761503617638722169076398798705001494052622299923227957402390447724525155110513006423761513884434861271632625669309717806860277836183205250985876373038991650866018668900232669286882025008937063775462569006170295783488550673981522014377988041656789988722903
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 1,878-digit prime (154 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 89 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009082543873 --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":1100000009082543873},"decimal":true,"detail":2}}'