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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 #1100000009043400535 1,051 digits created 2026-08-03

Value

1598160944630257230650249484487805377254934398496584084384729804856230450899803425185942532279559424919072157508070877623111568105136527019908300541662201802204586007739094178388877284140391113198904512704160074642480250093281238082223512872779138350129234425748399558868858711500847205839775342376728159482335578007738847293297836465251703053636685697735983563997073047340996862670760711942380544683324497152055824146601206373026517259236117033804107122131914663682325061602456349863830138555620061950725170699261434677391988432407209842475982501705536587557194753481739946988780216877098150291057291511762751752105651795750462479901073335392904694551185828868761409639733349837028817301530640395761618715212373466932784671390584150504987500350530544492538953409829581428107216669570645204350221130979132021474076618050156328236795874885551597864554412249766726256928709959509711072977297181474087894304936190144560610190671916625053226079612305379587428449244674787347490107669777375477583781046364170375808428223023287009451198892583111373190302017
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,359-digit prime (108 intermediate primes).

Certified number1,359-digit prime
Certificatedownload
Certificate chainshow step 28 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043400535 --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":1100000009043400535},"decimal":true,"detail":2}}'