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 #1100000009058005816 984 digits created 2026-08-08

Value

820096585138846103108661566815771734973593206225307646693494129650207941965891593732723860822174862319645845261775029901655270278877351089323980270614137195780980123628570448577429449514539746200057825974940379396046657271779294510630340049485436673270993910129903979608864461465186157932653210415282948223797944631010587889358371847351464532822442227991503884634329128605045340151464972545975188032936517162144535242585312903713353742255311089380635559106452337484440059606844809383330925439191416436776371080634767687802982902442666509595529405799721656254224460293372458626814427778065110838032620608785206560636550993445857167356970456588682259226655466345038386654276483185212079294256333552249200888010010289356699664418533089401078750781810196166282230214985864886629345931572554560486392222028036144796220964222756476567812935825849946517136485410187321317109705481405068539353060844146846609593513639309334897835575969936268676875937654157123196856602923985807686700776272883
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 97 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058005816 --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":1100000009058005816},"decimal":true,"detail":2}}'