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 #1100000009023317871 816 digits created 2026-07-30

Value

131570539219416194139302492088570001008654077507853675481123573226507605852653319217573678938106912430415352928167370518185442133311736457936591760915639097721462123101947574310140252476277865366380144065634003363951547666182982791492491536788094210660751212043701868360452054995014611540754541924936331136533161057360172590567621103128682697391252401907085627370119988269968807175599654659403645933198958445107960419021984191837342185802079905682100280348450603980865439925749658433228477286289633098758027017175570968607915473662745539097303430506062660821156888743092605188453201826906034827452037672101814837692854554560525840260907640261546954531947868894913320682314491618409990612796683337600232988260354585312212455120939610580953522483624266052874910761061805032580998148617144999642678909582377349027718853
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 1,156-digit prime (104 intermediate primes).

Certified number1,156-digit prime
Certificatedownload
Certificate chainshow step 34 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023317871 --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":1100000009023317871},"decimal":true,"detail":2}}'