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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 #1100000009047545902 1,117 digits created 2026-08-05

Value

3191946673258329766066862985635591630695559940039205250351092022125451419561683079672215426749411940785181739456876324139695408933183593737966544232279687379388400272916067413278004159079481333478056398483698981189596398349712764215937586654554667474591562953601847854301503773406820253830029313881861866835896239984252180643520402717497315034320204893391500254818516811458258094311168640320063811020958402359100936592669216290319977357804986908599289724240038157256088890215507325841305029179457381864298102568677174987053714819356626673132706869567909148547135804374327051424535533207642208417136990866950886550011312297697944049771885267241212942318336060293757644387464758687553123606731422509451827933257034186109923918837858964870646330526590572117627760490657982275979086583764034664519153352422131685081423692037090506669544085665730937663492024737191222101513224083282455194556320255971213752370766364768251825428184955572477485092510751411528056143109041048745149929883153884087100722183309484545642595882225688107085791937230590423037226157669950047730502907504030871227634431972144777510748462016157592727
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 1,461-digit prime (122 intermediate primes).

Certified number1,461-digit prime
Certificatedownload
Certificate chainshow step 32 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047545902 --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":1100000009047545902},"decimal":true,"detail":2}}'