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 '2360125208465345020779439887350789508038117560802336939274933172912087263597188144302633690959503291922849759168023027306872882298121142017589985121761769543214100980553602647976222202433385067871433025164168337371100254600121188854749123431628868849798716426090562157361904843661304615256312873810897808912242706557462455304650962017188161339359066023728664042817028601104122993102342739603175510296767729175513690786533946794731264566333240289622593544077714161102752824656881523498259394517918237568540320669856891218305249731159228709468881116844362577847757190848735355731423297397803561236830633700473190526541976981733331317889599354787034963056546475664417649433617379900968264352790826242310498212926709745172385296112147589623551707379963609691621458581729522410274962201509290151937250035074035750307018937263354432510786550417196035023266755413087601634118320550976985490410993941995984586201583615743759749507349745695890920733926900742306309887653482861995978169067579256956426935798234148694313773565235236827' --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":"2360125208465345020779439887350789508038117560802336939274933172912087263597188144302633690959503291922849759168023027306872882298121142017589985121761769543214100980553602647976222202433385067871433025164168337371100254600121188854749123431628868849798716426090562157361904843661304615256312873810897808912242706557462455304650962017188161339359066023728664042817028601104122993102342739603175510296767729175513690786533946794731264566333240289622593544077714161102752824656881523498259394517918237568540320669856891218305249731159228709468881116844362577847757190848735355731423297397803561236830633700473190526541976981733331317889599354787034963056546475664417649433617379900968264352790826242310498212926709745172385296112147589623551707379963609691621458581729522410274962201509290151937250035074035750307018937263354432510786550417196035023266755413087601634118320550976985490410993941995984586201583615743759749507349745695890920733926900742306309887653482861995978169067579256956426935798234148694313773565235236827"},"decimal":false,"detail":2}}'