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 '13722794280579247507485481860943365093570261496835524621209739006961644352769248378466551773521627592300865677398588184630360580723101217215826502729421018550748101028663063302177561181273883586502425215687122752752480229238042277512648163821432701321810149961858989439558173262318627632083748534812915391207157376303744105148558417668300945659607553850635188149199311209404080139485857291306152509246484429847442860360373098818495079035110031809123288499058586434914763710893164187635512791008028844002520104364802572838253605636093803338320575269508168585183410954800490420791954031501890530688264829388211863764344613302089201658757794781121281466116384450622869399461687697250734407639231713683008038117917598183295569777439297' --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":"13722794280579247507485481860943365093570261496835524621209739006961644352769248378466551773521627592300865677398588184630360580723101217215826502729421018550748101028663063302177561181273883586502425215687122752752480229238042277512648163821432701321810149961858989439558173262318627632083748534812915391207157376303744105148558417668300945659607553850635188149199311209404080139485857291306152509246484429847442860360373098818495079035110031809123288499058586434914763710893164187635512791008028844002520104364802572838253605636093803338320575269508168585183410954800490420791954031501890530688264829388211863764344613302089201658757794781121281466116384450622869399461687697250734407639231713683008038117917598183295569777439297"},"decimal":false,"detail":2}}'