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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 #1100000009070502243 2,150 digits created 2026-08-10

Value

11495635148417402039973000327302905358805785075527032780790734989513558357247280266020399994968628724386079103542806689944182330915883984608350136805208053638483794348763456178353301324156449773312334377185057538712476304744547999344151673574591671919792792981565257557371695867437461793721263472679229389680370662583343213441295870263996656546823389770318343640984595205949047344466986014017869917044531759050321879937594886055495022275799167056286567821511646794060143792231790467610280248111099091761477935492508778397066237697841876535834297113019178826345884475671606160543424753899708901340600588866964676323617991834487679400510153139163246994529058616501019196811256319402597637166240800275513873380305026952691759077900937881842588997980958959266351904713073045738794842097845549959211455358169026990228116563038044821920363968192225168594741454502554062911528707622034671997969353468116782271977964293205785106755344927561469788129177001525279547599956359796208474948548562104369933163924162060404725295098017452314134313905778705582289962926571600241871944531552764209674445782779252662617553282073934234034752857860719975585970721538183455815546796197603715116082158375508609039354575934661745499900383765671323056913964861079163384301182272390579027013873829417235089096821888639717662659756620471013689404033992009297521037006880193311108106214579515026893093748930694661292151332928720715573799121420272029126571691824322032228488888957660567984912022385040379928032326262856338661260900457851999479323080888440401932287004118150649412572997986864470850534043319835631641566021717041997498460272716413802220261098192633007262061896171188742707475629495703705245289544936428137952960259404150743242714610607409377703053283833867379212621922867220405342936088411621359216787084241647923546505471835277133550840281916020988664431249796955310891905052593338186766632291488247160243841349737383063827255711887004071019023740015603759922762835548413513869088632886937594695468642537337412181565539615108446336401629993275562298026427266382923359128869040955730966134395545569704379863341902350963783333861899395886934215951003387118346727793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,498-digit prime (187 intermediate primes).

Certified number2,498-digit prime
Certificatedownload
Certificate chainshow step 27 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070502243 --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":1100000009070502243},"decimal":true,"detail":2}}'