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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 #1100000009057485836 1,925 digits created 2026-08-08

Value

65367763264360834634534693048099735695551501803291420942021128092552587800151212332888677558999418887207347897603973228522571826496917796175783377111655800312845053775546451530763736004849429715266715253575651327781134904903696107913104355185824376701696239673068167763582737562587351546136857746254191448327548448372246797381362101754153597162991620685581398631283520061713334380006375645031905235850827036262764316712424225478817129890003360868381806235487676499179280546081169017890119061348365589269996064029441040575984481833813127279173813220926438485488499299353622128475297017722860472514465750290128082434847439540769737256557199651075011540161118356746886244379098533104761192459361411623263087542366479693618344883526032482752864587304542468783654262047199037976880760661679478970930224728536614266387887442513402936372919923940225557539723295386739397450331697665255293791903907162890703088395337491205927456058562725240154734671344613577146832798107332542682571456928819779745366798505489190332414106274579951645055216915270527225510062846566067210420715873473361062504988157056653528365857647631878456496871562638450568208180675459908756296498611318955180058612006760269086623242190864551884306693494114036237196554674591204018437506673356694568973713966836509325699631659948060580045369181147145184993933261312147272011324732690515586803870560900611922503934049216857970822737330702747926034855626725781325094704355913975046578500894185047551686008246197689579782200736263657222834959470321830945761506024527644869397433411193599737859200991774946323720333765896105324576352961113537573662047459972083341602477082325393770665831187467846333444806394606052403895762679794543100835359697522096320761886165338069508970551029883330528475882771861277693081378857699729460097557726229593454625501620074225624629336418694792031049507026594704591783351841201782391645797259569819618087103095093319347048935096218281109
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,354-digit prime (176 intermediate primes).

Certified number2,354-digit prime
Certificatedownload
Certificate chainshow step 33 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057485836 --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":1100000009057485836},"decimal":true,"detail":2}}'