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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 #1100000009075279338 1,745 digits created 2026-08-11

Value

70765434365128514321125224679987408548338347064914656706679287499123771715019723044461290270518001722280140773706608134528705013349065012426771771016159132795336162975170638563223529233308505799120989413546786366444428108916868124117195799794228004222516278991670359224171554376793756382161634023340415615901217156942426316617657892992903067846220272014543886447568044765249328562623928014814954458901485841893432379139917585406140453441779362630344940880610695580249285767406945102937864324011262548679746466913131748691462711754107411272740172289799054976095135178351246113380274669187446107003900859071313448423762806301934077931066707063562600262850057477563989293688760124551147735994304350124657868406018763245523390005034516273417533528875555838105705589565073767393366898279370787175232016489594618119897441146967148948525622563662012649406421001669406064777952658522212875001729309482216083790087836916176920245540605928106321246913433785501257593037867218190079836602945632599149034745074162269784257532509778411830276208279047275932321963625338745520288402218289432963224903176634943639246257206391808823714491554775672267032236015762412312045944787330383629580543261787309763101018596952711312491249098845428998702692260324261542341185850892237972055988895848030700083479850933435884951314086717240428596751537704002340749638835426848338951212990111257179699080177000451941635101089934057377442666610113084399383817436798197192583559091442370092929214284770756102339954988324912972197896566264399937093719188837875051385931608391920226837530967511925903879462479440415733984832249557167846391048486077828042571868230140109595050965940621391188916098418275664431226756405427896504379858174919821820239499854304721807768224670485549109
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 2,656-digit prime (204 intermediate primes).

Certified number2,656-digit prime
Certificatedownload
Certificate chainshow step 73 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075279338 --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":1100000009075279338},"decimal":true,"detail":2}}'