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 #1100000009053655419 897 digits created 2026-08-07

Value

630781673203583336995188663615783642945126469791619138928438569370930247418633116125837050165825693953517940560678524908851919697399337279378982939557921592183431556407313144644426641754419474132587056652381326119228522602011595349536217265543672418040559109473330588657088670741747902703212554359376782456515337936936883938922417688051734258860115939817221491996378562862322894849773723975346228307250369119374055298450190684481928222891694069713646209344895969446854707356874350101224752884417906987976721933742614043658928547853994907401907476732600611013200427027936448518415271055505466161868621252575071505850780860317680671435213112774748510653686418973003888589842797753191384865049215282414039081271952602254356024583092334978245402245769588735633493125013362131858444763465647001228967704826199503084508499805785028973357054679949098951937630184812583564585565955428735891925247514989923
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 109 of the certificate chain of a 2,205-digit prime (169 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 109 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053655419 --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":1100000009053655419},"decimal":true,"detail":2}}'