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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 #1100000009079480071 1,709 digits created 2026-08-12

Value

66120698621074767211688454488068128582405371517688289390298690803617935149264974120102573635757149021103686365780006029970180407210676651082626076844631916713666169198670016931306258955546033894420482284079513733767425580104945832700337293374761512648437035073924417802840331583856454678983173893514150043620322960715411904281262378041112795604403773694998797837326837037039828860045727177442293813649671743846845021246994139667464360826427198290778861714139264589619460406414535655162397326610569933237567683224907394795358956232701455020901892148965973127189204820765152006672806502148634419148041378730530906855868271320645974036778188899233833454001816188120729788435971629978130988989603294003859157125428832030941451024772730483725554215226342120322850026410405562349521031231604267352625011892793809774293747005476608938794092484505030901064872894171639803190644372676508301745242302687970631587316184193976106093698079975956648509986178507171320240297386089984347783576472827420977942628944095259038388044184606415799629103572171887084932135082778081920301309442795435009398396896196442949253515297322739184042838342881781880045150287808799540973237721700279223734478942040562748325613557696757159786164096655064606793802827714511947523665040305551044686534101780637080076047306331380618524781138261901462884684500264944399929494987731030731282966735330036929021362915495797250782417123345709763267463095710481368158297704049243890590886744444786850400465905976407248149606117813428059978159350522419175869764283945640929166275297307320342471534948185555834088330189018643253247614993912656268478941818193260237434788064377231284923788116178953971057486290882472228566017091192230734696721524924693467
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,849-digit prime (146 intermediate primes).

Certified number1,849-digit prime
Certificatedownload
Certificate chainshow step 14 of 146

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079480071 --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":1100000009079480071},"decimal":true,"detail":2}}'