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 '28797682212988712087583733080701934579244867958083730874166630311114973472511477035930979040573453890965243257857010459540189817273093684655368489269109427673728665022048047775060532282384491114648280932364020169777614815464735407333967067116762720640133075099972803218737767718772580202259775412103820797026767298474007693273474100803964864204903707352207784431307580682042151809762040634324505902246353585402743011621910646253964620150512849169589399627869508527620688794829777962177204968426343291784818981592312005487040243197554477165296427731304617394525504342399169260694392436973736102899481088623077068766829254456496780838146212715969472552561715301858117569659087934346168545026505554650575541894823471719349101301843496537175798031081516448500506048560847253179956634594916947926711111271283493704948220358659819553100993876787179559743935140656160580773395910769152665631875889929794804998614099002430916365865710432164803853009163243729091174414899651944553332989694320576101118742622541908983151229271395382505435093929084482251579551275997464133709048060808884131847488581194494071131832844209460046116702478776841800415883708479615942144129079680884033585849043101016442076958335506990490747201655347237817527418042022700152921862134633934194658382801252976103414122436221346581753151508519304380935180772733643133368739679299261144797477114761458947333714866835848040920872698525167066455385251007701246163853692788216656737416900711932667126031959503548181027442070097273398801078407854409440493004946034246366268391137291392985205830048590853457843051368145978191181907451100265798546607817826306461926533' --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":"28797682212988712087583733080701934579244867958083730874166630311114973472511477035930979040573453890965243257857010459540189817273093684655368489269109427673728665022048047775060532282384491114648280932364020169777614815464735407333967067116762720640133075099972803218737767718772580202259775412103820797026767298474007693273474100803964864204903707352207784431307580682042151809762040634324505902246353585402743011621910646253964620150512849169589399627869508527620688794829777962177204968426343291784818981592312005487040243197554477165296427731304617394525504342399169260694392436973736102899481088623077068766829254456496780838146212715969472552561715301858117569659087934346168545026505554650575541894823471719349101301843496537175798031081516448500506048560847253179956634594916947926711111271283493704948220358659819553100993876787179559743935140656160580773395910769152665631875889929794804998614099002430916365865710432164803853009163243729091174414899651944553332989694320576101118742622541908983151229271395382505435093929084482251579551275997464133709048060808884131847488581194494071131832844209460046116702478776841800415883708479615942144129079680884033585849043101016442076958335506990490747201655347237817527418042022700152921862134633934194658382801252976103414122436221346581753151508519304380935180772733643133368739679299261144797477114761458947333714866835848040920872698525167066455385251007701246163853692788216656737416900711932667126031959503548181027442070097273398801078407854409440493004946034246366268391137291392985205830048590853457843051368145978191181907451100265798546607817826306461926533"},"decimal":false,"detail":2}}'