PRP · Probable prime
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.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '9289574471534562784052677459562814736841970860535322914664071811509454837523148102014527493984758858230158219552208495996942994361757526693773340456113704475743266296839848744305957409100441445137907191081552554137883958404515437057803062514885065826941200644753529888966395321025240273351126852128021' --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":"9289574471534562784052677459562814736841970860535322914664071811509454837523148102014527493984758858230158219552208495996942994361757526693773340456113704475743266296839848744305957409100441445137907191081552554137883958404515437057803062514885065826941200644753529888966395321025240273351126852128021"},"decimal":false,"detail":2}}'