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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 #1100000009079648202 1,609 digits created 2026-08-12

Value

3161661727014062549646102744269577359898365496095392786121738367611603430718841616534568284469556739452242818887630185457682356487353220705064829713169767964238744500495900827161099755691076630182156698643320019782850926326336847883116710718137416451111740190526507594264417834058425401035880381801412570959960157938236696191236898138147339243479232012291143737889501710661097268667232745421173535594230010665513019410090043860491609532211617174258686124780210673284303323054555546206942356648067792337718792449448311403169737455910644247744795579832485393098818861203232888209264784975092045176745975916079287133797338025674122125066135583672329952570398435393384061938549389894741947095443544559937527912540975180413960936962508146980221490737245141967791116388426077407898274800067574931350939618132812564686192885127781872736677140291525064677397446553059695546752361274232038862222735591276211611106745936747210105578603065005169528006768574296072990043168841147625457767258491521672292943984429347494829530884092384740012669692244748308722799638728369022947797084845657492876765152489947623964927292224517886333982615171606491024218679214215016952178385050471041429989276013809055134704954795062518010835641420522401906051547363767531763664912470435504869016137606929831532227000110044394709234626261666697794598547515601450425048584625712289058749852483215288742677432895007770622145545020721301829496294675563263633786560780366265575940375489450287044171423092673267425396584242328155907811947855348075072049233668319366955852292435661800753112933550521163489570861035646527797314492603431889611059477
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,904-digit prime (149 intermediate primes).

Certified number1,904-digit prime
Certificatedownload
Certificate chainshow step 25 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079648202 --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":1100000009079648202},"decimal":true,"detail":2}}'