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 '30860456511020422329392435423232293478063270392099701822803172183912959757716836658832143622156273671711081864606553296874834773491112929830671875690322328644508902978008038310864998924758324116924512886135012180570004304293506158632151381174816524034672428961301228485917444727587085131552152982577418417589578102948230551545031569942541472902367959849312441687145866809700295892748166397268926776028304821601565059165147192516119204158711049437207761705662952683125074664719232490039153483999130237725489033424267122710596364127172692950251881342736055308593892950854602006252058876686537746391520272903700927149544713748666213310805658076698729498993344903776256287586855560133927785997066699501461851332678497520126068600966482202206348808567056574848407421276839548632759388781514905271570620497105538147935235770104459803161054647617664266216638846473537393701791859193350279945909796781245519450966379536275907345719085202045388624156927030355249517551183818202901049000383336508657281180554426188449183367183492453065130746774420399771012561563545211165769561041' --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":"30860456511020422329392435423232293478063270392099701822803172183912959757716836658832143622156273671711081864606553296874834773491112929830671875690322328644508902978008038310864998924758324116924512886135012180570004304293506158632151381174816524034672428961301228485917444727587085131552152982577418417589578102948230551545031569942541472902367959849312441687145866809700295892748166397268926776028304821601565059165147192516119204158711049437207761705662952683125074664719232490039153483999130237725489033424267122710596364127172692950251881342736055308593892950854602006252058876686537746391520272903700927149544713748666213310805658076698729498993344903776256287586855560133927785997066699501461851332678497520126068600966482202206348808567056574848407421276839548632759388781514905271570620497105538147935235770104459803161054647617664266216638846473537393701791859193350279945909796781245519450966379536275907345719085202045388624156927030355249517551183818202901049000383336508657281180554426188449183367183492453065130746774420399771012561563545211165769561041"},"decimal":false,"detail":2}}'