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 #1100000009067938123 2,388 digits created 2026-08-10

Value

138463563505502570424010596262380461298941017096083666187321197684286819964924277139157630158031363700040089517386907239633619716882273394674598419370504170768411716373934614059113362940282729196977126048368129098470367229924464727021965005215042530278708553642264048344060714458838338365209675602580663634406281143931271782563913888577748090466525477804731793944987908955547154833964211466072004921421776235788708847014858710096106292059518585615599706801010051078632650458311007566420624632108030175190332735920300469666547417115745230480535277248570396810749452511449400929785203477550099345032889353855925812644154323438344895533864042533587658451113488599854563253876655101720834148228482674546124265788991164052761187961200614765613086477026134527227585030565371256647389807752108429042106096021881761973963456048184686504363850344195129804417372632666473439590217404846296540001888164852351682138874807890762614950620390162112850387315773383081361956163357881464694011912477799207276578607954673676024166536706377325330304463734781911796010485730564936739133695804183800565226962849298113666224731126578620988251300400816667396659912118774442681393881027076451533369411553287348982084512620041023091484818236968297211980204188183906750370603533652849571312385900248864148159077850733208186549175172519143595889399861108099138006432530032997529404449054307743883424408278456406730827169771570489734750133596555756444275983217881585371467724579542287133723766829035701314272409364610483760762409664912518852024436733008622924958990705597887897669531469625135568124831360305391679414105609998221313015282171256954468113344378066548393597244753489648125572843320074771985870017570188830236735958764277545079748096988369429052384588961157442498045933851146528632831158204718608342106422854027682259203515958672815676155443474796023756043211957657533620984472674069703278803061736471385674621259597805012347290558490386215477011952940264470675906518302318627733302932522495606229272645904221959403366523881371934463428807764285038657704830627169256441400138250489559612012102889021412234166600748018671439661522524025407598332921394973249809902137424885120474026597824244644685027046288273566051507065622051762121534211195577129258166458231351090039811951613985024584673850309228123985842602670115221633549383824374383186111313727478929515485937037725978953514337455442694892892898420843
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,638-digit prime (209 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 20 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067938123 --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":1100000009067938123},"decimal":true,"detail":2}}'