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 '12631374332326359934141961452336756335446661015759732819431798245406237362054079489712117550988099381782833698117446500773914125903806826282722288494875214840046340309468618040257306222594967554498639871212932886609743808144635586329177799336101942696759765697123643' --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":"12631374332326359934141961452336756335446661015759732819431798245406237362054079489712117550988099381782833698117446500773914125903806826282722288494875214840046340309468618040257306222594967554498639871212932886609743808144635586329177799336101942696759765697123643"},"decimal":false,"detail":2}}'