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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 #1100000009075005456 1,696 digits created 2026-08-11

Value

2124795987338314878463673621762332304903233368754420661034949715438854380150934363412858510951494489234404320727038436688920667097751353246083885447285714773798085309780918450096048760689695514693529964739261658223994575123946491237786721106937001778780766268603282549376285991818638093165158427753950277726073575264002642868185248466080808482768355111588066578072176518138213765041095341566123806300739235682386682629123916407267015839343034623884673384519151777769105164732175649558448280601046411346766418931651691778585523972854339761249750373566241588812393670319329226808767713928433618669192365999062474858350427879708123421622425702642117433434140309230308790980579180035474395196619204239558663415883147233542521825178511821443712441411143822575850897049530684696443373579919530558181110567028404680572666148370287124190152024083008767142305686175719981561690047863067254568737429259346168761744321305116590948494456981407414937469733442816991048527028821552603247834670957551275924781859004318783453682985874706254483959214111025098699462488406992611487011099234422032899525090065310752460387841873752217660151280337818979285529020115166204669448729689108781291034700513052275138076284254159332776406982568606504153949647002902461492691198842867623207017122285847933479178489592284033994641771879050447040792218693850559993056041283697514096519386600863145302589507341682073999222012692606479517759210343326429681338701691107395167763008562701743637705973453117438794234637746778812143967327063333226924623148480181512515733770226472715790152289416660977155706183215784515455957369436602887622046079747002663274955171800677288512416854204174200276818507222405659703794218653065665304431
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,797-digit prime (143 intermediate primes).

Certified number1,797-digit prime
Certificatedownload
Certificate chainshow step 11 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075005456 --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":1100000009075005456},"decimal":true,"detail":2}}'