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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 #1100000009122750822 1,824 digits created 2026-08-30

Value

437585858482603759420033803051841431687991704398376568741261238410116970826887230905769141387915191673775808952322995355876814217591575049668507780808730781792256647708010244533701771613886427790128749438722520426993042585737516741873720943114107053217061638667251409614535278316899584699458992933586019839330029370590798388947516212763059798950350262689265519233810934528175213286267639435231612988481898886392379588202962482201178569566585445570668444706650221955858594431806371443422727891025838452098405882221179709331658603129174457905047416106293839359261369299541346247632562578343773497394337487077117647556545930412171071695090012938700383288090845860390588004315255802209034258066598878733474885649231746998608235462238946587014537778773588503265496498286925352252359502818025707875248777625984274282519450856106331647214318474057858893918585797707523347062693842205237860672972659460886313865008968338295809615376239098391520865300873622905755643944660213599975328215679080420921748008018029394685914402712920393067222469841132570849829628281001241632338468366750900897750629956090641242774455786156989978152938257690216391806468635798460257106118180659543107686975402943039637683433893764763911887740604744961197345530537415446878324019548905247782407940770864346491799699742368549549611745715124631186791745551560415858601535012814492825820364275820472825133570688113094813605292014455320268635119529812337256258819243154431610004593412156695959266811104862312826761548406106378528304801571749154392750568321587091121184753767936323199307119767368380712299084829913804397060975776481352349745977953263854312321654230085188358716106846860222644221842928197254772217757149421478940323085885978898287281701582093460843578878862720195914894256297081965485048985100622099334768296091856306396564114958259353252155729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 40 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122750822 --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":1100000009122750822},"decimal":true,"detail":2}}'