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 '3095248565125760083755118266504819768480670322527608675121578954404026386201077613993501714709627139564683578474685295589305096826231024376908330459094227859431908623910533218228547802474007201902824476351780682832057038852390302012191794305673157646089159001913337033945108740461869491299942894048071041201196670894849637898897133285241457368168206756926610273760654757761685646893345579973286702280726791945548253020976467031271207071025645053326691218810532593433241430808043' --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":"3095248565125760083755118266504819768480670322527608675121578954404026386201077613993501714709627139564683578474685295589305096826231024376908330459094227859431908623910533218228547802474007201902824476351780682832057038852390302012191794305673157646089159001913337033945108740461869491299942894048071041201196670894849637898897133285241457368168206756926610273760654757761685646893345579973286702280726791945548253020976467031271207071025645053326691218810532593433241430808043"},"decimal":false,"detail":2}}'