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 '2704868922128986327120945187495193276642798395171996540901807568928970498643587843480492280551919661502945767272811046035480739159209372395948358778859719684718468344754928340218368881144032307022485967438761898209709821899678922132423265726518492195751339862658749941436779921395474067847520096293526161975701336896367683051778904633921881615105226397680026487283524333140938243567965300962798046095205984737629855589651157062355491515974022824252525194896572840106355651297840038523345493393861171099852377050306568038411431158439472301394411039480151027529630344405320690309100751289954110872865943809826627455766826284023867385312386353126604191567615441021384949772948112675424152613273956168662870331779850345189076709056853662571953303204565662477085035023567700740477974828670724096056030400070731800772533839758193158122435665046425543370619629990829717343137134066241754028024582223272633978994993626569968044771419625852289279067151900052009632015338439790335906052277349674862259862098191087837692666301503718607477862978415436775794943785973841600873190548043412164507327491754503667270979563517313521436957983327845820933183743509550260734046368246357804714623120980739484380669596812823678144943802217942180496166423618621519307002750532820273536001565396220971741466124112123038578831100850828101245031289123992936340408408712441934103182007107231848764283078599933190210826953340855115922584984586236912699459175317938946947226849047426257066388795213276240635523707903928267319054172529060229' --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":"2704868922128986327120945187495193276642798395171996540901807568928970498643587843480492280551919661502945767272811046035480739159209372395948358778859719684718468344754928340218368881144032307022485967438761898209709821899678922132423265726518492195751339862658749941436779921395474067847520096293526161975701336896367683051778904633921881615105226397680026487283524333140938243567965300962798046095205984737629855589651157062355491515974022824252525194896572840106355651297840038523345493393861171099852377050306568038411431158439472301394411039480151027529630344405320690309100751289954110872865943809826627455766826284023867385312386353126604191567615441021384949772948112675424152613273956168662870331779850345189076709056853662571953303204565662477085035023567700740477974828670724096056030400070731800772533839758193158122435665046425543370619629990829717343137134066241754028024582223272633978994993626569968044771419625852289279067151900052009632015338439790335906052277349674862259862098191087837692666301503718607477862978415436775794943785973841600873190548043412164507327491754503667270979563517313521436957983327845820933183743509550260734046368246357804714623120980739484380669596812823678144943802217942180496166423618621519307002750532820273536001565396220971741466124112123038578831100850828101245031289123992936340408408712441934103182007107231848764283078599933190210826953340855115922584984586236912699459175317938946947226849047426257066388795213276240635523707903928267319054172529060229"},"decimal":false,"detail":2}}'