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 #1100000004979868021 360 digits created 2023-10-26

Value

204207156226996080832283519754450897868072641668207047485032323557939146663482111414067344014350652913413045014849260141513977478740461457967745780272039959883665121775536582921317556911556578283050520090656102734623577046741587881733213046011292374552833420835244162656053273815850862620389204399736105823816390587253062314280096716582503316450383979510198503
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 1,166-digit prime (155 intermediate primes).

Certified number1,166-digit prime
Certificatedownload
Certificate chainshow step 98 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004979868021 --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":1100000004979868021},"decimal":true,"detail":2}}'