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 '1774110247036676662084487588165795536061587005727577681766105692242924538772525930900550396062279994165382203914154242745369099404390570616671634750091427899833404698082752952346715551123177590035476687511612970490638419237946526341871789234763972947721705527061857442504816108908022813765323597508670992842200888768076593340742609157681693915487256058595699194487997616472516853629846227219902971329925153076402133280932746212925008070952825276438529910801462240939484926488152576992245577718371258891462045897555012928130759960911465049149141606422091396098202719712284962415245184863978529456511242571532857362921531725502931048919629381921638000048048981068346193122147808431749047456411339443212582030307881019235888812922563668024190251199423699319914358890063694790763840131487284588544944023104280094232182068620775720989697652684503569647493082603238725906690021539770283653969408883122747844504411302026284632439534670850454714496140617' --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":"1774110247036676662084487588165795536061587005727577681766105692242924538772525930900550396062279994165382203914154242745369099404390570616671634750091427899833404698082752952346715551123177590035476687511612970490638419237946526341871789234763972947721705527061857442504816108908022813765323597508670992842200888768076593340742609157681693915487256058595699194487997616472516853629846227219902971329925153076402133280932746212925008070952825276438529910801462240939484926488152576992245577718371258891462045897555012928130759960911465049149141606422091396098202719712284962415245184863978529456511242571532857362921531725502931048919629381921638000048048981068346193122147808431749047456411339443212582030307881019235888812922563668024190251199423699319914358890063694790763840131487284588544944023104280094232182068620775720989697652684503569647493082603238725906690021539770283653969408883122747844504411302026284632439534670850454714496140617"},"decimal":false,"detail":2}}'