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 #1100000009072857707 376 digits created 2026-08-11

Value

1035062623928943712899834438884324835160194035436930867670262802364942857601976183863024286277377414398885545093790891398105342869923475501487655676898756245351291420397889541807720322373844885044051972694157669622531255535477414879961355456459590394808118349755599802066606235023920283999489616719434864139667132045311036223225910426867226152401508598952447829911000228192487
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 130 of the certificate chain of a 2,006-digit prime (156 intermediate primes).

Certified number2,006-digit prime
Certificatedownload
Certificate chainshow step 130 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072857707 --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":1100000009072857707},"decimal":true,"detail":2}}'