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 '376794230831889897544981398511825747658159286482191034524107691385653437403650819083394934061728668095112830046593616117649171678652867163386478489063637764688367110593241433308418813654149193913436666670428287630731168960865317655075665986760373072462701998835066872667880894415606989650145225876293082167881568367533812197324780911675190313465712785086593651687977345023755265561336000921853735286239404494843696751814136003092742670414827014718915072715510435766043436377236148572019392924296280124622646451225763311276875789757023067280110635596009082737391713559472809430082925020570350301065389299625979214903443851670299644234888967190214743979163938354973145529257311472414678659830517492057406870162565029142600198616890269736355248302785586022149543776307135780862939865861712260032500319319073967219120732678980823492237110302936146162624154830587509863309738319' --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":"376794230831889897544981398511825747658159286482191034524107691385653437403650819083394934061728668095112830046593616117649171678652867163386478489063637764688367110593241433308418813654149193913436666670428287630731168960865317655075665986760373072462701998835066872667880894415606989650145225876293082167881568367533812197324780911675190313465712785086593651687977345023755265561336000921853735286239404494843696751814136003092742670414827014718915072715510435766043436377236148572019392924296280124622646451225763311276875789757023067280110635596009082737391713559472809430082925020570350301065389299625979214903443851670299644234888967190214743979163938354973145529257311472414678659830517492057406870162565029142600198616890269736355248302785586022149543776307135780862939865861712260032500319319073967219120732678980823492237110302936146162624154830587509863309738319"},"decimal":false,"detail":2}}'