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 '136286157173222066409878039936022686270312700403431775355156442247415008857141983544197371055968431162489312334623351533338461986242664338803079376717313743688126065682904356407037334185710659560642296735932405414371357799574563398483960330647189086730036638685962479892936088673836945704229686196241995888246241512256017549079941050800806247338743562772842119192446108814432751390124524745647420086899361883645668796010358772367202784382852685170532228641655487738994865124195091075514362201222158451969833273326400191812879723204536305246723372589044327440636408457923240864749' --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":"136286157173222066409878039936022686270312700403431775355156442247415008857141983544197371055968431162489312334623351533338461986242664338803079376717313743688126065682904356407037334185710659560642296735932405414371357799574563398483960330647189086730036638685962479892936088673836945704229686196241995888246241512256017549079941050800806247338743562772842119192446108814432751390124524745647420086899361883645668796010358772367202784382852685170532228641655487738994865124195091075514362201222158451969833273326400191812879723204536305246723372589044327440636408457923240864749"},"decimal":false,"detail":2}}'