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 #1100000009040619021 926 digits created 2026-08-03

Value

44987525707810800239835040361601081192475812024567547115573595125748767404132277574075631760544611766495035381156812705389546701282614113080782625713799647572656338494655223196926490876064640098826579790246745629660797197370878395665970442275211255077186962398763440342345256670198806335093081443891449716913810369567542126161669502156803843498313041733258492359342729463432057147156837027769592570187106901881277589267881833250182592800059020086907262515731075091393236302468532788605465510718568086610091353127916149080112183645363627071079674148289887504707965431368940536513679431011824447337525879164528366540317194445517448362831556109028492483052685329876987247200614320945884561963238972510908994366736697662455358092780087766666983026472165451154981434083896971376383743430345988685910646489505098485609303114350499819072366799815885691983870273005366367390169242704730816538373058992519697581121234093840496644757937
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 1,275-digit prime (112 intermediate primes).

Certified number1,275-digit prime
Certificatedownload
Certificate chainshow step 32 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040619021 --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":1100000009040619021},"decimal":true,"detail":2}}'