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 #1100000009018820080 882 digits created 2026-07-29

Value

328603815026873447960945639170065658978175210033408916975344856900017163318954576689739213507897680989567525476102138032817397010870820523586316635979286871756473979216457006477977714306279445487029246146614336104397492100338216701566731843839751294091082967023386220050779792797926832642088866497171218490600208076428165302862241825328638076800561628663340954621796668361248554881065481099774031839628373379140733174435767044262039694414044270034366234144127049159718100717057160715873863867404951268785383434353979150120615252048743989099584429140067954246870612279345505861571023442815546835558502174070644469243973517516275272703761897424126222133309029890621369351827574126503485302145833865568774137824569299898014894875926328928577612050079834666661326434067196819694707230599351956118283163787751957017787677882864970974622368254973303574969486833510688328556500717830925111
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,025-digit prime (87 intermediate primes).

Certified number1,025-digit prime
Certificatedownload
Certificate chainshow step 16 of 87

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018820080 --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":1100000009018820080},"decimal":true,"detail":2}}'