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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 #1100000004955685406 663 digits created 2023-10-26

Value

889523904637688302213448890103222853723559434571413057645336212104131273855092313818780067863242211218880038192653273990964702899899445176775725366221921687470194130065327074426231121817807256224069198018423975347574022240041726418144089423795267524481017020182687662710810583715918757471691707856384606222870933541666501666017265056693923634020770203355029069835137249071475727324617969916541102286620643237319768973354584693486724169742886069219926432301501774945773798894598313049022842286054368917651208611406928514600116325283100192927144820379224556820793750476680005812961772452599595141407723643611587207341579133017068724786551406367948044538732739980623
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 1,427-digit prime (196 intermediate primes).

Certified number1,427-digit prime
Certificatedownload
Certificate chainshow step 90 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004955685406 --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":1100000004955685406},"decimal":true,"detail":2}}'