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 '52349808007534158177825894780782703859665513873999736752379208615634285191693243634508471329394523904474723917936838881909541311494608379282207862308689888054393772211065730653875409263335500508035863538783342986187260558021776251693304669596728400557673068119216973774388594053191173953873328254454179096316655629504080563095899689' --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":"52349808007534158177825894780782703859665513873999736752379208615634285191693243634508471329394523904474723917936838881909541311494608379282207862308689888054393772211065730653875409263335500508035863538783342986187260558021776251693304669596728400557673068119216973774388594053191173953873328254454179096316655629504080563095899689"},"decimal":false,"detail":2}}'