factordbrpc · fdb
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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 #1100000009080761581 1,349 digits created 2026-08-13

Value

11915862878531053826436436082695340756987500180050136208693115215166158020814905701290735971091401423188926303101907189649145321744329560164581669714851012706973472836381200498314598800341810540115726825419535512663917245186569135668641435292618886902246267224227500395442792321026136680006918635443741904943219050126421995758702172713155336762080483658046495800605232161495747717653312201574468721092113174483238501316796293428083230180031289487629346212363487011857740021634530345582702253259700316863984276910058355877319082975358011070016309864486552115055727822393687816807124578248783887719760574863294451221498959906520576717045038836301418031122304818053379565565838427817715239838920225741884521469830714482501581390421719865607083096219627141169794522437261156677739902740627606194300755939935198967554549629700928920276175236441812381761527944493232469980870396864230915195917271105493434162982251784776226301566692307765666680334084477920951786408706774373585351193128690870597990560134780197229542516054254241579452979621504106025281329530948021393861443481509858728242230672935074907897391908259456500008659435258018577967363225712167795941925654212436635481775397705716595821666128835141614399125442860742457542380068549990273270570604817446444830858088801986235594997561887018929706308496161852451725940119468217156909621931822837943
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 64 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761581 --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":1100000009080761581},"decimal":true,"detail":2}}'