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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 #1100000004871912907 2,242 digits created 2023-10-25

Value

1930557387555681719711795520619266305935415373355705691041089100539272854597771691969363477130769927681155649668172828162074547504304488040631578472171298506149811445226994399546890407704342686685260239152827410821671530344350776288224684172609691678088714266351330732393222425219891829251281184071851947164374404797836206532999745007141664184129280528995311408931348612161770056192130070151054965379682392008597128001986097054551706608938958043840388860486237090756218200415227060914005018155318433091784935603563947739015897870478629718208873817580051593760307576298588332494684093092192040637097109806153212318484535950635119105953329248354029321779523624423747478782427243269164493348799300948078596529665339948030772936179591612766465453946479475440220248531477263277476629875025897369128347243658663505448346204775450806947071621967188687439212518758056668090533643616331590918045464785724343582644261865935471789533795185022203648004811051503434439585453239859285204424945023545903875711997127879438913628215307031793071204876274269653192352079187703021778694627881618709914271405667419060387572227701147641297554033276987510953761425831548806665921460289204667512563525970568103674843706237041862033467607833576496256345479488209612625851363881107195179263361310452027651548530528238094642742314449524340177772064956244645382880468658148311988243372017807742761613396771066832697026491691417752564749667979002169622188838434423787167435937949478981537795965574661107069484477932055514948349929077174934350578209395161427223676834068126093974413311419982906262642235400542404117785037617522235476283490157888846639086438215541495334072578778903681686177652862203899434871609713956453233475665584082338424238565140121808413409154597357243887299946861535546070255387258237168208216618499249826471362555911068582559225878694820018529910261724217937847703406841602551350226700923384746513595717996601892420216014042407712245020278824129571235186423818691572603697905801215069193010437802698968497306891289118982991893547778887221804047072830036770572098853077348601927752809688206233443248896851938572461439897275713775215750191622240010664822966060033597072081926505676654984764669165490248197050159672937156830281597744674494806282762859
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,588-digit prime (350 intermediate primes).

Certified number2,588-digit prime
Certificatedownload
Certificate chainshow step 43 of 350

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004871912907 --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":1100000004871912907},"decimal":true,"detail":2}}'