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 #1100000009084210362 956 digits created 2026-08-14

Value

87354677956654950389729030289929011912838774945292073078507198680072507155895926493109245317627760188225262426787924074422232351258295963766987161075452133887350566456511321959547288567684284309932990490932109046405780101326279907088153484579271923573404990616916651472271262670452615132381578272271546560336827360376798917453768659882802050634577393797213776524371064394088717719929898548628966942559368245143934940361491593234524526588629388923376693117745247325153270808628065514520470014033787010773598606021114069398826691661176616727562481206844256802680266055512382039708521681765040386215086534945294448603655851947215630571171897323194123875956548900551028950206998265032472660743328983704742522773987809600618604448193418614301293536284084677346527019457923853778627520968903383836995736331368451716948327450061644901381593527792366724187481568931797999691996756001027216542825921320171247757853699732310269332501561589939626758930651349499979833
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 1,950-digit prime (154 intermediate primes).

Certified number1,950-digit prime
Certificatedownload
Certificate chainshow step 83 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084210362 --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":1100000009084210362},"decimal":true,"detail":2}}'