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 '58233929739767422409787092522516146714421315304219688398572709814267802979617620047295702952686515324552239349953311123979494791930970752239687451455752109041754317733840185262622771700760650980916721860760065189721251519773274569646414735550237267925813351511863601304493070416603345736648317335085304275268437572641533615820439572409642217087256000432404301701729543777343426626345156970539728177721064777292343075703137182822153002480198262843737405114173643591525024068043165284527024274913885614278324731340736941759041774315175430275313360935294973401589638637873040295736001280130979385015889431112629953972240108560964660827159268987319568455350000701892472339797215694727569165339871309399142937396972645718957532259125708333066353513755346231316207167816580854419894827364363500437488734799984593958288387181428080403563217439277606359855322291867425216121233074807203703234916894341664379416671161631559340031655143416847986721308417614826642411601830052288386023694287488295077039309413628580867246745838437189289854018407528147318046720560755260473643633049924344093954086481712121918654543' --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":"58233929739767422409787092522516146714421315304219688398572709814267802979617620047295702952686515324552239349953311123979494791930970752239687451455752109041754317733840185262622771700760650980916721860760065189721251519773274569646414735550237267925813351511863601304493070416603345736648317335085304275268437572641533615820439572409642217087256000432404301701729543777343426626345156970539728177721064777292343075703137182822153002480198262843737405114173643591525024068043165284527024274913885614278324731340736941759041774315175430275313360935294973401589638637873040295736001280130979385015889431112629953972240108560964660827159268987319568455350000701892472339797215694727569165339871309399142937396972645718957532259125708333066353513755346231316207167816580854419894827364363500437488734799984593958288387181428080403563217439277606359855322291867425216121233074807203703234916894341664379416671161631559340031655143416847986721308417614826642411601830052288386023694287488295077039309413628580867246745838437189289854018407528147318046720560755260473643633049924344093954086481712121918654543"},"decimal":false,"detail":2}}'