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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 #1100000009066782176 2,146 digits created 2026-08-10

Value

1719764435682226230031835657940494216625442327708057313179390491219947107809716899265378833704425493844910595219559423168116601954281230783479661021320863337349864016341581540883254629637584466910186932785809372188934374389224932791355009366791344399180931646679067683478894774720970658645419280177917882889487320212462756264388059245611398955447758716166766866065366660856417169791062075405716405924392638699516849720732386901637016512122661234696806023060301175711693182911200765400897277778954314250419713281683468100829646293192326803269696905087307621455034033180934282480700066672921786426018315940190186849563617778182738697713556190294294528131416244456178511055513316580442418280743222661226509748156262570842736910899489171029751045056347616614558185410779833006004785815787553665997933920746473861137643784679372439150507115201536031347731207872133843520739232397732899312417841990387158184020698150769533832724120111867251797091378938903833927143131242533313888592737174138046003735612457958563325540916737477572530904349694332068054649442398053340185344170120273481401158910038396549684675500490500905234596947631102916845335411276460314403435897266703446121481040739289447268235668922365584576230317364116326119181166843331212284626616563836466516747594820582680469501712911268156182378373810438746503838363075658006346382190749141726853933107514188981034643376654901955348302213881903673737172461561104933861647159961253162030770709084171963172881225101612003574737862598348196633186572564931608031074954695928012438528079014604755915796070044486017234651704011775858614826744096048084279422436466258014963946073046824003656638170251503362911249803292278733074746129003117883840475492485210070517036053347211859449528260658703300832480075338112975719059558382255065732550591122575571857619893643157300659736163988619497014741892983346154583903386853087541124682425024012666828717992605191059796376645331627688112167149820149653726117693421172648325030253353709627837195164585770144902540522161809458073814340207888708168775519624162045729995290448766544787532307368599079381781690225693544594440956440122585572193618215408881503051
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 2,637-digit prime (200 intermediate primes).

Certified number2,637-digit prime
Certificatedownload
Certificate chainshow step 45 of 200

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066782176 --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":1100000009066782176},"decimal":true,"detail":2}}'