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 '23622227939307070902986025613791680021049694091568470206823552182632052370714385644106131107102476476470130033579727259912189136596218239458265292896915951167005281010337193729822948426995368855228022825053426157403802015831325876379744064597254038725365792453357419622206828628726142370697106291101119647962224990834120400111399653191120413039627288215470629188076122649958301814743727100155393937246799573812162969923760660333072969559625177566662641479833017677056357423119651674337016542701647809370030611880328382502712914932016925729167736800593355274746857600472373024688014416207540607383694790638542366086697385184261020295456245409891584688193701228725510281039431946543707749374544071621987811841' --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":"23622227939307070902986025613791680021049694091568470206823552182632052370714385644106131107102476476470130033579727259912189136596218239458265292896915951167005281010337193729822948426995368855228022825053426157403802015831325876379744064597254038725365792453357419622206828628726142370697106291101119647962224990834120400111399653191120413039627288215470629188076122649958301814743727100155393937246799573812162969923760660333072969559625177566662641479833017677056357423119651674337016542701647809370030611880328382502712914932016925729167736800593355274746857600472373024688014416207540607383694790638542366086697385184261020295456245409891584688193701228725510281039431946543707749374544071621987811841"},"decimal":false,"detail":2}}'