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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 #1100000009043119378 979 digits created 2026-08-03

Value

1073130170428851161022434924676188090454944213279807556691076983100105303881399370373985567500817733505255347119313076973495011690814646591963263025452789782618177571910882759214540202986193427100289344087759897574001717060263358840990611625652176050046794834339727179304620147416275801150769309625776428619574231693560895606885906927306047236446082939582323182978557218557173228676131079045170960043066956761776863779926844159334401879414367562512029145349664567802852112652038653491444787626049063177811981205605561878937383280355804004449594090734938477080613622988874638873469171490664222708670506894781635133313383147904176697765067570347146164617375586781854012858394941032003454178973352322017173240877996831758631293965106989353297060837845493522472148764860346671334943450188397458288253280977569860673486534464524065294949734833844982101131616736066803546899309812303242264460186667970488724458509807671928360197049075564569621377858121756428006853925921641898310697549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,348-digit prime (103 intermediate primes).

Certified number1,348-digit prime
Certificatedownload
Certificate chainshow step 31 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043119378 --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":1100000009043119378},"decimal":true,"detail":2}}'