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 #1100000009019009195 372 digits created 2026-07-29

Value

211979473207353441095098540609033250364307347523127371931678417163433970545169051101382346341674480353018048700478426305029813172473667574771535201125266067860052343706328642890118887509143336984398392898306294699615993771251686209618621928191071805968246710121905659237736078928096035494446972639650655190175733482461586092441838757032813742332606862379994161003756040341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 1,082-digit prime (73 intermediate primes).

Certified number1,082-digit prime
Certificatedownload
Certificate chainshow step 52 of 73

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019009195 --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":1100000009019009195},"decimal":true,"detail":2}}'