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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 #1100000009064917738 1,726 digits created 2026-08-09

Value

9009395515501020648386579847287283789384220851447198334029263498173550635118848073908207253487878621751903917132307330467498553984270253624010718851831768668401518901288085556898573155921779513165869406266983452563181983204598739728905202344950560551909665066965639347645121838591486411510447497389646469302383453243466411591630249398067026606086178856730530777208157556508503987304988129352325342368798110190838983756515479133788211621268126609195793829990598043695803006788700525774386854965635123335173181141564711750041009057337591219084635650425602888927980408991337557212600190971761526345044536834993647093633421854857009980504715118420866923696512656655217690167744609239021171678112155070613809602710229502390711484435353060698722063629795099134280436786092872737446974734535185539148091428894714461850431899761151330771597954760901933741813526367541051743435153427462905902556241602804784403335615755788117602801420928575170101675589518133615762303045322969879360160919447722957217256393003892065895395302495717543681803498334152813039151895418067397163729238661338377224552992732907295791501215278881218826288898902530834966294985390816854483905640856528128903791055349456472269581053785693934094660452803356840271516808657326917191384086450479993332269277977504652315167826996695249904937643016064862205278923850265113075691256370947168098490595223445920919276329629363210384443396366816768676548117254281045531990598702569584545011957917686991837361147250756024319820651113926468490707504781207884343148240496840135660499225081169296628783062463572592907268726445096123117628771967106544816798433213830330675506269480363693008850623508587264120205987682523058039860074700051693840670585257453712820383048577950249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 2,912-digit prime (218 intermediate primes).

Certified number2,912-digit prime
Certificatedownload
Certificate chainshow step 86 of 218

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064917738 --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":1100000009064917738},"decimal":true,"detail":2}}'