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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 #1100000009056419749 2,069 digits created 2026-08-08

Value

27149007968762289763552100239023966843270812572096349516710127281499826223627435371236949205103425890452607073536054333811493577824304914794221815287850167567478351080183056659503061072582745474957827856845983249334266813753124125155218887527487118722074639602050190856284474554693102991935952161830501951834937580774812824358218572144255330941751625907222417346692693597659179044063665894388234702398348895707661334900821822062490969942066465034959308422240588633976021545835033625943966917324330864537832386817476483671254487854247811252154855191145441240776324538996917546694803120101124930902220656567257608790999347943700180344154729034867701714776006459897525152336421783015022116433274350825819428842567766064910079047160118206499711084157481564771431287721567058902152255619463676776176329982253101731731905934769260918822890572243885379690395862810823450310498626366160142381560381654306348619290478878454986281812314156429621640303521302537727630495495243100516601952034875787425315494890770402237531583571837873031400489355545425722749062685777761742799648149465013286210876946086875585116655311853386508656724854113621892869756585134128056014412387736147220564689213186840315563069401453383897690326716823050453435223394748189945232361730650288270973746748910351943609218746239831988658315043827054036336725065707081193375260998018201580100802267835715285677367672814651558263528890758426653171783694722130891707219067338763898036716458505699734126332969825517533423077140661745715334476284059453649831264532675275184862302023342712976458666262596798231773189144996843038464953161327797504558099691755833968078770735418083406056952486171802863783325322603176082708178759630560073274167166234846956605352770031453919067206815168668670134284290673839249976029597327003726531757728420757644234416337363382903330153393949067083118419934996776316653299511810848211662486639192503911935180165341833750690427231709262460211974181611753660891910728219789408674476991965752292323299639756642872945954569254785393827281455323272553215176888143829619161854698758806999
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,238-digit prime (170 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 15 of 170

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056419749 --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":1100000009056419749},"decimal":true,"detail":2}}'