factordbrpc · fdb
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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 #1100000009073531742 1,420 digits created 2026-08-11

Value

2155734766787687686009091096104194151857403535103098996175628210598190333105178876443120829394650611595176467563178139458664308179518493119606247894690438066800428018398108101596315433440645551372488152912249807329053545381182795257705013191867510530158712793575711595223669291664587924949677109979080978130721805481686713518821566773580188297138690458060668992100515715328777071081307316535704992562042373114254332846638775630160826610117366378049179960736270466911956886424839941839470123972043789627741144728308558582529547127274806242213990642608434922492081317417237778390631763815399327320332196527846042677187246926653162032623384829633124206355507173317674723040574518129682573515502046412814095224235247028649407712269797540009985924143313689046149534661398052210256818480842604735875061702951496104941538125427698791299626958338114581796746253418828659805550195190765676605045711031041433043500054801050185844041351624235542840764439901351368609889110703165499562395125828834794279325352876974330829421700330017660497991230915897240786773262450665467880230315545156796103083644228170327198705779080431839216867293687423525683315581554460853625843891027478147754947426625989337758929858927949173666979985754142141857120208897943675922657371715281649393121155782177818622290055931558939896333433411042996060344563269334083761196708430278663689052620054322998665542350660049392869112892095676399826546377087051317
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 2,008-digit prime (149 intermediate primes).

Certified number2,008-digit prime
Certificatedownload
Certificate chainshow step 49 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073531742 --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":1100000009073531742},"decimal":true,"detail":2}}'