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 #1100000008718455343 313 digits created 2026-04-01

Value

5131609769229926383265727437236340727164646283321564191276827335716464791249920549842241649099039561846000452232857690807764968104060444922128436493226083376596368914603984494963083355243761313199061978470925989767736875239037761137730111400212676332712259344591821062748429750258551619383736697013144513514019647
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,123-digit prime (96 intermediate primes).

Certified number1,123-digit prime
Certificatedownload
Certificate chainshow step 73 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008718455343 --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":1100000008718455343},"decimal":true,"detail":2}}'