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 #1100000009041783717 361 digits created 2026-08-03

Value

2099802906836919579015628009587777354861569745542558241157165216797388436732213254145484800332249470042919153167910770503358031686496870316429742134734338209660329491947198239179248776017194188413808498760988389978790222221845561923454029021647075831339462924276796294747317185357704701592971384176375308830223951880153461894724274776651627688454431573519230607
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,301-digit prime (99 intermediate primes).

Certified number1,301-digit prime
Certificatedownload
Certificate chainshow step 72 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041783717 --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":1100000009041783717},"decimal":true,"detail":2}}'