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 #1100000009069116806 912 digits created 2026-08-10

Value

308726662844832064958694155930084259988557670818717473464625510914783553262527289325140857949923850944723443284132010229151694873657170632253518447958511999261568022852800976785262108157219843707165194735327428039077751742824725351793589243419291685461666991909144535034206635823731367160951067309776432636566834633873136666670602479005292418485064946164291608230974835221432051570841619847722973744542021057164758844557094560980872404638056322598563347544383025268370617629356071359665993295089496086012970726693556416192478778306308839667694723944410969190641709474448283623671247850323414260589428231182090444472922384902321971928423125653212435394362284240372972582619709604530958744503994323628560842897510143291868362838362368051564261877597377019772754297274936469267567695487830881547268715157511745058434484757006001423862734213461332409905265936733233344350520951663248030784379973116985688926767932497
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 2,001-digit prime (152 intermediate primes).

Certified number2,001-digit prime
Certificatedownload
Certificate chainshow step 89 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069116806 --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":1100000009069116806},"decimal":true,"detail":2}}'