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 '2075274763531344105079162732258516168966397064271842221928939211631906497147130572162958862960910954932880786052347155769278687476096114574300397642335035492408639073671078856510261058264916584187270803230999904678438176793700809486407163268412183503481384947582182840339952622795901485112728955581149771010229848250887857468507051584595728507810438476732158660783247839246374079764177020895239080251693837541514042254277203570129999279810853840241349427071738973186337787009078398609668216005496581690356237562302036623175289622754427638989181652221114323421989496185099020042658182640404479517783289511688030203247132611901893595318780720762704486896250631868577290563364460141843016077862374731872276003831221467933242977938531401054982285614267939043049814605479939172808272666574714816429616944222750809534005536682926217871390130323696034611613408038634122282832656989270852365718617828715456350687384703933355821265734873335178172827543587148399154710802931516251798899044764711526757473935099678462126520462996246020942649509229177104768504853903628536690288325894380387980443674457698971576872443132616303971007758787957089331230547904693669387907533994107790541620544485938200438803146020432314923227268159529168347774478530449479462782087976012055362086023078361468444486552135872885496577' --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":"2075274763531344105079162732258516168966397064271842221928939211631906497147130572162958862960910954932880786052347155769278687476096114574300397642335035492408639073671078856510261058264916584187270803230999904678438176793700809486407163268412183503481384947582182840339952622795901485112728955581149771010229848250887857468507051584595728507810438476732158660783247839246374079764177020895239080251693837541514042254277203570129999279810853840241349427071738973186337787009078398609668216005496581690356237562302036623175289622754427638989181652221114323421989496185099020042658182640404479517783289511688030203247132611901893595318780720762704486896250631868577290563364460141843016077862374731872276003831221467933242977938531401054982285614267939043049814605479939172808272666574714816429616944222750809534005536682926217871390130323696034611613408038634122282832656989270852365718617828715456350687384703933355821265734873335178172827543587148399154710802931516251798899044764711526757473935099678462126520462996246020942649509229177104768504853903628536690288325894380387980443674457698971576872443132616303971007758787957089331230547904693669387907533994107790541620544485938200438803146020432314923227268159529168347774478530449479462782087976012055362086023078361468444486552135872885496577"},"decimal":false,"detail":2}}'