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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 #1100000009064579129 2,501 digits created 2026-08-09

Value

10420660454071729403319979688416042484220942677092479185631838228434432994687449586376428192077431162651847699750629021687248678208852031299967317967559167423329653156023983273328067591309357652024450848062231451718128964724997052200845711751845481988550482652679827858048051516705390766072367906194840053840532143761760084342518865516671852019288858346436380027415171910210739690736616424790625387057759693570232418685241945740094889799145198571384831794590967409436283400454441764428333492348306046181792216032140201997315565631730825645605267843557679130375463882309637995906950642261732801513040640960205035640230130093586450745736358870016701478713329980983623933017823762707317996439753406530308525649992723332963705775453950807713061681387379208053971366486117392967388823651731066054692601997277914295228536463548942868542014536639592694743132179418713845502346145947550231800827967024168044957453189583148139426613486716193195877036519221956085904302832582286352003874043910187846657868114249925151641002189459022304569926953222314067875561007143661428299988621747253998434806404529585887770695248283142395304166994122208667399332539263382427205214164166071520986480740453361148860249100411103941243433733050464603313487800337825155157677010606592911801233510051209082775812447850979480059431050178408124289049170824770335441568771789042298833078973038809197330985314965743670735970246936408294483322852388713654908960461307478165113464366198292321261200224177470407080780727327898313908129621869318654313104797554434469073911595784489498382899089197104680761261888889759555321489731804729097704378842830365453109540104010896765708243907665398822463675196920510018626343886219329811465421695563768603847182025487855278393199346647844398134723429627217655559572193299090031166468247575617180778938822432174678115387165675972307418676113140801158063557186573319634562930442397171659005516376768555997575787963593752179327144951434947165517227920339002708109861294484363737544546801957177186884646908583765673904483730269642434153585577267597403194415264258060416619966435613981919281712947343937339517957249710557440075971361432892560958901171504089839379648103201108315272626011595832425143354645701515282016757138266920248663264771856705994696095350148952521998617213204598058444527431667587127281853821793020477562877607004248460551345872779714149028109583388555522838922333741316168213120967624090657950669174846046977932098091904666014923636257101943562984734604626018363167063504712273359
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,573-digit prime (194 intermediate primes).

Certified number2,573-digit prime
Certificatedownload
Certificate chainshow step 6 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064579129 --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":1100000009064579129},"decimal":true,"detail":2}}'