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 '115277296160960696717369191776480799862291954434361925440975568845227129440538285760876776857147706150203635239012907258469567691719699199326485653845794196968692784942871736335508203482548578056729885051189369458644563579867409742861712498583826327570134143002608009239483240581828278213434476069874290338747771805002156788239422098141640839921479395686153763914786318954941944056893794056855548765751639767215776455378511439229979810354822015038166775806008556011098091391923048781775163678957536075938642757243240306279934716218518848647427930861119401929582298956439778682142705653992634563713583118030258899902651480907202268190458725093025450299640257866447608942061266002096731264626430200641327484567424529352114006751412296977976285946939002935696236438613576779409506572944000378821773' --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":"115277296160960696717369191776480799862291954434361925440975568845227129440538285760876776857147706150203635239012907258469567691719699199326485653845794196968692784942871736335508203482548578056729885051189369458644563579867409742861712498583826327570134143002608009239483240581828278213434476069874290338747771805002156788239422098141640839921479395686153763914786318954941944056893794056855548765751639767215776455378511439229979810354822015038166775806008556011098091391923048781775163678957536075938642757243240306279934716218518848647427930861119401929582298956439778682142705653992634563713583118030258899902651480907202268190458725093025450299640257866447608942061266002096731264626430200641327484567424529352114006751412296977976285946939002935696236438613576779409506572944000378821773"},"decimal":false,"detail":2}}'