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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 #1100000009055780927 2,004 digits created 2026-08-08

Value

144114684873019925469575689226520259473542982450654376392816744792722420298105200390136036197822431640805487684115521042684604995709258555156678832712557123734461980802431288283197919490274458583987456239426429717219120420486750391726024006363723734079259834993050072894286238400431130879459598734034332785391304726727869894763313463342469971018751731870885340606564172685492223680389445315970067345887444187891066692578669919926244429633976817782447480549031952370492837647672026086086248251847031751200387976616114832977824829465695847048241448481085882516074234621826639243065542885099472030220990903385523500143394919449911827941939482437363907698850977199361961831122008055946423280023855407522461769666178777039870100561480038611299917782395451524887730141751551343942601302741162132750789983332337868925591498413522814968097025693221005659735303381652267484538000086667931492375113485332494234096447478697602521694901223409788130331688808518496231248963296429126857307325179176313438908540602518636923904136158851241144025613092082311582095727343646605402152449127885921403732147280518976459218995764576710424955456877738761272148396035996830508653244054358358262044464249815768452954279140965283528124976918673788005069171544058311625569306777812115446514155958936302997581990156056295798397474767970502711710250254652553040092554147381856951159864759003333322968090008283684688614253896484148185186447128011327809733187599733753221636736002652652663686873256167971628090837648229964249428004381618644800077458716040719162001414760983386479851305791670522709288414715404395229686062473285490582025028516328097760865644118543164363175480198251814886882817764043209479214775959464907583338510310499575888671574609040256922413347249302547255115612055068348136644797805498427487675022769027643551686900774744431439285859185864984593563704557260743445155844144471228128832860026996459140589987088562743485380830219519730971265805021113079652345566397792972568547656109281166324190089801828926300605191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,321-digit prime (178 intermediate primes).

Certified number2,321-digit prime
Certificatedownload
Certificate chainshow step 26 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055780927 --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":1100000009055780927},"decimal":true,"detail":2}}'