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.
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 '130209622607751568831063986781091744206397067474383734046243170636159112324597123453206662741550551206606323367960553445245191935821351339612524637238550655255723554864009977' --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":"130209622607751568831063986781091744206397067474383734046243170636159112324597123453206662741550551206606323367960553445245191935821351339612524637238550655255723554864009977"},"decimal":false,"detail":2}}'