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 #1100000009044648766 875 digits created 2026-08-04

Value

21647644809128464131784372695779434902863150016480861644996800394772747323185126241972814505958726690127060409137123482393933356042584616325453267970045545508893506975081004045314200363295793114294509017653270270672161028993620344310974046035016151879615665915652565982424662053274401212667657560185949899209097151027911779978874180487659301827956211938497902809651439792130721812754742608270990626348200406212106093228887666955298957872519735284469435192353970024061053560015531431509290246363027310304387455870125971739349678375733373603832461431292150852777949393200770378355175576458353077850103933722277428966813029043044455596256185531515501473418984454990024768930664193410828456452474217342926616449686890610598875708030498698589923474398304555736144075710356444014942472097907977762360031686714143240023588613678544353627888318490667682466618005306885419046881307313
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 1,404-digit prime (112 intermediate primes).

Certified number1,404-digit prime
Certificatedownload
Certificate chainshow step 47 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044648766 --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":1100000009044648766},"decimal":true,"detail":2}}'