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 '5599181714747107413746938011173731237607127718914963509599600724537117976401649583906899807599584373078366269829986472000188021376269456453168275979856444222086554092213276381960581618842407749045327417837534858417534899150987543786278202196134026419164710434937020985048259104597992173226455666474477288804442606082826340441838593736512871086421039701150980731867624960751375479438720023323218482683928672979346781186495115476584630482598965938263615420337948911876758747606598736347917373341378389748025082789276951492218131209333688361957749919148050349209733831503076778560281182687684496285117421803848602049247510000192903701915803225910369831811283716112116679979790074737222610740457910445614067050051766447344684176891576647293286023004373076490885883632480560014186587906897001789821861962845860088771824802849421405047248998089917460587147825556641178296068248886425771351211675051313147600271219296521675696422706746033245747117775617637141728156407734360127397301122828399991216436762159622210005199165161416364309342592249795050681376875931515818728776937339786544295700854805259872210726079743765955515990837082380907164277535000352171484826966027069394863102104373492985597747316205740656140466709308448216358321876387966956409527125558388572739398423917506877631799708103179304472072005177437812223976309981299' --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":"5599181714747107413746938011173731237607127718914963509599600724537117976401649583906899807599584373078366269829986472000188021376269456453168275979856444222086554092213276381960581618842407749045327417837534858417534899150987543786278202196134026419164710434937020985048259104597992173226455666474477288804442606082826340441838593736512871086421039701150980731867624960751375479438720023323218482683928672979346781186495115476584630482598965938263615420337948911876758747606598736347917373341378389748025082789276951492218131209333688361957749919148050349209733831503076778560281182687684496285117421803848602049247510000192903701915803225910369831811283716112116679979790074737222610740457910445614067050051766447344684176891576647293286023004373076490885883632480560014186587906897001789821861962845860088771824802849421405047248998089917460587147825556641178296068248886425771351211675051313147600271219296521675696422706746033245747117775617637141728156407734360127397301122828399991216436762159622210005199165161416364309342592249795050681376875931515818728776937339786544295700854805259872210726079743765955515990837082380907164277535000352171484826966027069394863102104373492985597747316205740656140466709308448216358321876387966956409527125558388572739398423917506877631799708103179304472072005177437812223976309981299"},"decimal":false,"detail":2}}'