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 #1100000009056765920 1,582 digits created 2026-08-08

Value

2543778299806971203809786772787440590930597504479254628012961999535984526009863092925025601030672962306845713747969009316243826019768347257735207672774396438101236253896436067217983077827219146110122477565404436794307798581391575891168804493000215318050492125955879991482403885672540361010525489159689447957303987973346909791989454021323567861567731121095711714982579960299970899948009373974140021313553378204603077454506152326506119599539352978920005486538346985174833380747047959710977362540221660852721418853343370369322401072291047111155219472470358375340215402807312884391834213161945288750425721644820436942433336380641750396578132276909935892548498036443844997815282345767210853682570377867892744516419349346558738601295888861784122475273900769408201400618801102130585243946242352268399334960056194590033192138610952094203239319101582300830009019359238837259122862366149266314696692559947505393174785685759381746611418157944165409383351030154513695734909010953175902767144759660454378792804788456053362089094041767024082104808208476040629958354814341476060561265882855368412116545671664268063794556554683467651836642165428337011263918119223148635101141260182877068736769784070971101615841684659415895409391710269317358968046231781058125469504232710140118396945296308466672447260256436523247515924300521260682823594615682283276463620985675150299096095399911469517539803681495215052813376235657509530300912865720821371937286483859886911064867518842524702627473754019830694799519516309878475073375675734035819405273646455706144588717375141742400247997609466213870196504018995729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 2,536-digit prime (204 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 80 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056765920 --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":1100000009056765920},"decimal":true,"detail":2}}'