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 #1100000009074404285 1,538 digits created 2026-08-11

Value

18509816443026570060105814027261443413472655297129629729348419114868629810564629692037328419724441997933953057827914611609658094738273020188714883812297821939159176505366061357179675108826805148329255945393233202141239263739226724620964022770423599036671369959468638444733013685641604587533498605176240494410426164200648669089901370250152962025503314517189457647170644619984476464510977344288527212058811216995744840181927965847867800371831264176814287825429526194242337940304166385312384089066068268285372723550250717854054855675358832635272259949126424639033503815107090047459806909376296273237815457026067050889024093927066144301405821747501793395308647137380734117736368278934663436870585901071262140177934815285140450790255856817552694901002340479676021017846284416406551931006714475317164039716305592211188371171811689258726236226734049366056056210562228493334384708613708753618270783481142016485849407120362131515623291861357161058549761619778018389626994659659483305802793669688167581522060438758261816576716584303052546802536060798490276236784391895472864425113989211733069615140394815897156033340503151562420304609208649874451653021133673039979534901118131496753053336893087051493551132086697152104287051361491906474839797985456250857503884605978663487548675261507250178737320600070651616990462375576104817887887888964596712907785100868192859359943191314112901442696654327079983521159136190142676512863377224072654042033631462998800197007450215416907853452497561493034572302181467134875356081773465918230411836214485659848941953
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 49 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074404285 --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":1100000009074404285},"decimal":true,"detail":2}}'