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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 #1100000009063328449 1,227 digits created 2026-08-09

Value

102758877635800330380243422713627519400197680722707583850837729418603383393985710878680620920908835242052389337956617957971822930421756327460575642813973236433729522366943613111063713636667304453817004788494692690979028306229511582218501858977554701659809371878491976856951162788343755179412419781306419467708118431160636495793907060417091338693173202540120403827479081013726204872024192395991781241994838960555521989789690547850301936308694697377560596744064403310576576570414788619120575755767384984497055246144731402644378965632336492622022652800571611473882405250427054836389029059621895584085466953324713396940187306609390774422674754265904475911853574359365311098072920137323250541213875612670400887157234777308230325242953146043496260016371219758619034505760871714615916931074406109093092012914988121447269423447989866594474484273746921193279343361745950755087806841196866888469190706264340053248357849384223874998277579432565962347104766384853186313925317485346750693514971338022866722573733347604891275529703736035743881827710646837118937775769471724449577250391032422435892966548539681731194547703631075079757187581939800690166709138636641414390727384722894013970837249250832832729093129651262858090594044443070997339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 107 of the certificate chain of a 2,570-digit prime (192 intermediate primes).

Certified number2,570-digit prime
Certificatedownload
Certificate chainshow step 107 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063328449 --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":1100000009063328449},"decimal":true,"detail":2}}'