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 '3303455704900698736122884224146081882468553228032426024912149406870055899156803865512861605601576652949845032547174456870656466705265516395712861735185370806567157907563263716876581375766266634327446432878048438205676538900043996813265165314399437021281178522438880040387100959720527926858676658499455350928496065978899146002066776156274471848622996595742262295917959082001259487592832129111007861097478787206698050907173889173583846530963329143320702664109822731344955754107539551877772376035370024884669547427405551111521713959125088425041929201340888695079799598861127127937209633218300699199369924703983749098821191391512308395295105052431996528846612730321052528567680762290240691617423153206767970766776537632792427445935446356792397250475447178223254660751058348314594890863799005469272032482458328066138524423564983864815896323416027735549548382555975851458617013192246089939254106228047308679636740500487133702160775777948463666461487670775420914176550037332636913591465033429257' --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":"3303455704900698736122884224146081882468553228032426024912149406870055899156803865512861605601576652949845032547174456870656466705265516395712861735185370806567157907563263716876581375766266634327446432878048438205676538900043996813265165314399437021281178522438880040387100959720527926858676658499455350928496065978899146002066776156274471848622996595742262295917959082001259487592832129111007861097478787206698050907173889173583846530963329143320702664109822731344955754107539551877772376035370024884669547427405551111521713959125088425041929201340888695079799598861127127937209633218300699199369924703983749098821191391512308395295105052431996528846612730321052528567680762290240691617423153206767970766776537632792427445935446356792397250475447178223254660751058348314594890863799005469272032482458328066138524423564983864815896323416027735549548382555975851458617013192246089939254106228047308679636740500487133702160775777948463666461487670775420914176550037332636913591465033429257"},"decimal":false,"detail":2}}'