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 #1100000009122751818 356 digits created 2026-08-30

Value

90703196876953271431576721656994346290789470622614113021039882379850762607539132945003673511099182747310380457343611029622523881479572206305827814892070130122255770822366293787265936921409689097834833969700594428505391867190671800494037754987325291399344987604897677022975204878932025997346605357357983518271257451776560404618438547204343669296559607853881
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 197 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 197 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751818 --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":1100000009122751818},"decimal":true,"detail":2}}'