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 '2303266602906337633522727454838053192425330824640458071702213271621021019177659016619380502514785443640598297770349100229194411069736590159391955619930340869043332068435082813107867957160463375941219618141166171369993806443432540213125763121926023956342689070678699617347442948233491332049707074627476189558696786260747784995120453485105210010398320301990527894403313226159771073820817459583649374905073964003029245276360998177447571479662293147768360694357871121672583794795205546821553524881551982018633783663335649639773256052922051695595836547905349320338766680024100174713103428894270253286588102898930205972748450626011959802967607259574904924581534635573414096404366928080316573545294954725384413110966832703' --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":"2303266602906337633522727454838053192425330824640458071702213271621021019177659016619380502514785443640598297770349100229194411069736590159391955619930340869043332068435082813107867957160463375941219618141166171369993806443432540213125763121926023956342689070678699617347442948233491332049707074627476189558696786260747784995120453485105210010398320301990527894403313226159771073820817459583649374905073964003029245276360998177447571479662293147768360694357871121672583794795205546821553524881551982018633783663335649639773256052922051695595836547905349320338766680024100174713103428894270253286588102898930205972748450626011959802967607259574904924581534635573414096404366928080316573545294954725384413110966832703"},"decimal":false,"detail":2}}'