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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 #1100000009048451964 1,305 digits created 2026-08-05

Value

330758184361010964104245816622576087156762988678700042158731876721178318310232695406432605823946949383233600065353262622361744210792599608945733878289539996302123347780825276586463767560252776032639705865290831300121255065139819111389895575446228336085828819011504749374802053942987489581103414308471530453992908123242270467755016548167161187302643147268640870169020188725085188982696938731187590026004905507410726657848720694018236452499559675327633372707867006361198524264660846349212963838328873330065388105873874538360457044891476680185750794791336398890707588664866292953660421089971543142762076478051992874894460238553915387856854036712896925097781881335197612430505076992975740528386154166119529141236031128547774739704460928981060919781113913784415822905425155676421214019815374665492582127133843622218598107478647505510931640618690872781699177375552398123833193845582421410453448461877389241267765947140432008753614669692207080085492057123925008858179920970730717473112822983801780584013727211979383030390914877851570552929824207778211452628182664289259330420529104794651874419240956988401035618927288596466496905915062427033770456551752606380582864771418041856084973976071445599977731156006457985402371115589852650771717171088649474273288412358629023227240056367257892681484349861552601638030067
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 1,491-digit prime (116 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 18 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048451964 --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":1100000009048451964},"decimal":true,"detail":2}}'