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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 #1100000009067906716 1,936 digits created 2026-08-10

Value

1787413549346887431246039603445534164017484775438975825571993078125637375910073390273591101215238700591629507027660304493623374641148767366248476631133626194323211244408408675014205395341789953984947107917047599814364469830911103227612417246534666037610640850581765824598059800427914800169176712333267826195924543555151115564142638185390976529006543121805659547134051205544501162397774117966201127539416789136200905248127221853456528839486631324132278721574080579954169338091491204536260351093786849441789568319412515838967617261907538923086035274220447765148359979844847824725646839366731418169610820991988052017222338647164721178350306803050698409380842555379433589273984653592321931895281630743330809225469105462212388221263053621997721764203008838268001177110445147842246507762926587052236423634761518828000692754837725094612075126458482712901523598457324267022213201177136870007083143602002520596104397955938145222109890141469763932790925372712922796971813281071943316467483349336476870331281813823772483916137831545698204475205007192444426219233441564824536187535849037185775015993114755039770389634646111320634290257090942905925051431236886043655295716223460087814592279273447701225539746399052835978003367087457896172099153664529993562708609289539232717904111217336181414285350009397556835099408647786615310793416302252000919155754943652158445609675843731287851581516888704731394233090130340648063957721236203698693254739614308301017878069205791972881173032439010701427776279417459415562974838828614186495165881640043290804627022316955084859319644566761613420950924987177467482370944488969301709335343265632758937237363173888529202940483177940665495669345387127940295650054346526944248375113451877015938786110342563250956729054211238932952016395463067719373760439436623617630497750366713042740293862429986972146474514563648736926884752240836842879788765265230069807572450183818190477544672794154558228617348428357047857255883543
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,927-digit prime (222 intermediate primes).

Certified number2,927-digit prime
Certificatedownload
Certificate chainshow step 79 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067906716 --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":1100000009067906716},"decimal":true,"detail":2}}'