factordbrpc · fdb
Sign in

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.

PRP · Probable prime
not in database 237 digits

Value

4800789155…13<237>
Is factor of

Primality

This is a probable prime: it passes probabilistic tests but is not yet proven.

Numbers below 300 digits are proved directly by the background prover - this one will be marked proven prime automatically, usually within moments. Reload to check.

From the command linefdb · curl
fdb
fdb number '480078915553481901890683148410825697852631202022874931264753168156627107705475078044108714250697477127627107337185927330270732472773619843848122077794013547963446074621203149309893460130337550831675834589744684508381668464379569414318413' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"480078915553481901890683148410825697852631202022874931264753168156627107705475078044108714250697477127627107337185927330270732472773619843848122077794013547963446074621203149309893460130337550831675834589744684508381668464379569414318413"},"decimal":false,"detail":2}}'